Home / 18,423.59-25,417.34-11,337.71

Finding the Fourth Proportional to 18,423.59, 25,417.34 and 11,337.71

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Solution

The fourth proportional to 18,423.59, 25,417.34 and 11,337.71 is: 15,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.59 : 25,417.34 = 11,337.71 : x
  2. Step 2: Convert to fraction form
    18,423.59/25,417.34 = 11,337.71/x
  3. Step 3: Cross multiply
    18,423.59x = 25,417.34 × 11,337.71
  4. Step 4: Simplify right side
    18,423.59x = 288,174,493.43
  5. Step 5: Solve for x
    x = 288,174,493.43/18,423.59
  6. Step 6: Final answer
    x = 15,641.60

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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.