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Finding the Fourth Proportional to 15,152.10, 22,728.15 and 9,903.30

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Solution

The fourth proportional to 15,152.10, 22,728.15 and 9,903.30 is: 14,854.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,152.10 : 22,728.15 = 9,903.30 : x
  2. Step 2: Convert to fraction form
    15,152.10/22,728.15 = 9,903.30/x
  3. Step 3: Cross multiply
    15,152.10x = 22,728.15 × 9,903.30
  4. Step 4: Simplify right side
    15,152.10x = 225,083,687.90
  5. Step 5: Solve for x
    x = 225,083,687.90/15,152.10
  6. Step 6: Final answer
    x = 14,854.95

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.