Home / 18,397.14-25,387.17-10,439.16

Finding the Fourth Proportional to 18,397.14, 25,387.17 and 10,439.16

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Solution

The fourth proportional to 18,397.14, 25,387.17 and 10,439.16 is: 14,405.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397.14 : 25,387.17 = 10,439.16 : x
  2. Step 2: Convert to fraction form
    18,397.14/25,387.17 = 10,439.16/x
  3. Step 3: Cross multiply
    18,397.14x = 25,387.17 × 10,439.16
  4. Step 4: Simplify right side
    18,397.14x = 265,020,729.58
  5. Step 5: Solve for x
    x = 265,020,729.58/18,397.14
  6. Step 6: Final answer
    x = 14,405.54

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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.