Home / 18,414.30-27,645.54-10,931.52

Finding the Fourth Proportional to 18,414.30, 27,645.54 and 10,931.52

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Solution

The fourth proportional to 18,414.30, 27,645.54 and 10,931.52 is: 16,411.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,414.30 : 27,645.54 = 10,931.52 : x
  2. Step 2: Convert to fraction form
    18,414.30/27,645.54 = 10,931.52/x
  3. Step 3: Cross multiply
    18,414.30x = 27,645.54 × 10,931.52
  4. Step 4: Simplify right side
    18,414.30x = 302,207,773.42
  5. Step 5: Solve for x
    x = 302,207,773.42/18,414.30
  6. Step 6: Final answer
    x = 16,411.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.