Home / 18,078.13-24,948.17-10,120.29

Finding the Fourth Proportional to 18,078.13, 24,948.17 and 10,120.29

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Solution

The fourth proportional to 18,078.13, 24,948.17 and 10,120.29 is: 13,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,078.13 : 24,948.17 = 10,120.29 : x
  2. Step 2: Convert to fraction form
    18,078.13/24,948.17 = 10,120.29/x
  3. Step 3: Cross multiply
    18,078.13x = 24,948.17 × 10,120.29
  4. Step 4: Simplify right side
    18,078.13x = 252,482,715.37
  5. Step 5: Solve for x
    x = 252,482,715.37/18,078.13
  6. Step 6: Final answer
    x = 13,966.20

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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.