Home / 15,414.10-23,121.15-14,210.34

Finding the Fourth Proportional to 15,414.10, 23,121.15 and 14,210.34

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Solution

The fourth proportional to 15,414.10, 23,121.15 and 14,210.34 is: 21,315.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,414.10 : 23,121.15 = 14,210.34 : x
  2. Step 2: Convert to fraction form
    15,414.10/23,121.15 = 14,210.34/x
  3. Step 3: Cross multiply
    15,414.10x = 23,121.15 × 14,210.34
  4. Step 4: Simplify right side
    15,414.10x = 328,559,262.70
  5. Step 5: Solve for x
    x = 328,559,262.70/15,414.10
  6. Step 6: Final answer
    x = 21,315.50

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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.