Home / 15,414.12-21,269.16-9,746.10

Finding the Fourth Proportional to 15,414.12, 21,269.16 and 9,746.10

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Solution

The fourth proportional to 15,414.12, 21,269.16 and 9,746.10 is: 13,448.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,414.12 : 21,269.16 = 9,746.10 : x
  2. Step 2: Convert to fraction form
    15,414.12/21,269.16 = 9,746.10/x
  3. Step 3: Cross multiply
    15,414.12x = 21,269.16 × 9,746.10
  4. Step 4: Simplify right side
    15,414.12x = 207,291,360.28
  5. Step 5: Solve for x
    x = 207,291,360.28/15,414.12
  6. Step 6: Final answer
    x = 13,448.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.