Home / 21,254.28-29,332.68-11,824.62

Finding the Fourth Proportional to 21,254.28, 29,332.68 and 11,824.62

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Solution

The fourth proportional to 21,254.28, 29,332.68 and 11,824.62 is: 16,318.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,254.28 : 29,332.68 = 11,824.62 : x
  2. Step 2: Convert to fraction form
    21,254.28/29,332.68 = 11,824.62/x
  3. Step 3: Cross multiply
    21,254.28x = 29,332.68 × 11,824.62
  4. Step 4: Simplify right side
    21,254.28x = 346,847,794.58
  5. Step 5: Solve for x
    x = 346,847,794.58/21,254.28
  6. Step 6: Final answer
    x = 16,318.96

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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.