Home / 10,152.30-15,228.45-9,374.70

Finding the Fourth Proportional to 10,152.30, 15,228.45 and 9,374.70

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Solution

The fourth proportional to 10,152.30, 15,228.45 and 9,374.70 is: 14,062.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,152.30 : 15,228.45 = 9,374.70 : x
  2. Step 2: Convert to fraction form
    10,152.30/15,228.45 = 9,374.70/x
  3. Step 3: Cross multiply
    10,152.30x = 15,228.45 × 9,374.70
  4. Step 4: Simplify right side
    10,152.30x = 142,762,150.22
  5. Step 5: Solve for x
    x = 142,762,150.22/10,152.30
  6. Step 6: Final answer
    x = 14,062.05

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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.