Home / 14,890.28-22,301.25-8,634.78

Finding the Fourth Proportional to 14,890.28, 22,301.25 and 8,634.78

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Solution

The fourth proportional to 14,890.28, 22,301.25 and 8,634.78 is: 12,932.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,890.28 : 22,301.25 = 8,634.78 : x
  2. Step 2: Convert to fraction form
    14,890.28/22,301.25 = 8,634.78/x
  3. Step 3: Cross multiply
    14,890.28x = 22,301.25 × 8,634.78
  4. Step 4: Simplify right side
    14,890.28x = 192,566,316.66
  5. Step 5: Solve for x
    x = 192,566,316.66/14,890.28
  6. Step 6: Final answer
    x = 12,932.35

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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.