Home / 18,358.28-25,332.60-10,398.92

Finding the Fourth Proportional to 18,358.28, 25,332.60 and 10,398.92

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Solution

The fourth proportional to 18,358.28, 25,332.60 and 10,398.92 is: 14,349.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358.28 : 25,332.60 = 10,398.92 : x
  2. Step 2: Convert to fraction form
    18,358.28/25,332.60 = 10,398.92/x
  3. Step 3: Cross multiply
    18,358.28x = 25,332.60 × 10,398.92
  4. Step 4: Simplify right side
    18,358.28x = 263,431,680.79
  5. Step 5: Solve for x
    x = 263,431,680.79/18,358.28
  6. Step 6: Final answer
    x = 14,349.48

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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.