Home / 14,909.52-20,577.16-8,620.68

Finding the Fourth Proportional to 14,909.52, 20,577.16 and 8,620.68

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Solution

The fourth proportional to 14,909.52, 20,577.16 and 8,620.68 is: 11,897.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.52 : 20,577.16 = 8,620.68 : x
  2. Step 2: Convert to fraction form
    14,909.52/20,577.16 = 8,620.68/x
  3. Step 3: Cross multiply
    14,909.52x = 20,577.16 × 8,620.68
  4. Step 4: Simplify right side
    14,909.52x = 177,389,111.67
  5. Step 5: Solve for x
    x = 177,389,111.67/14,909.52
  6. Step 6: Final answer
    x = 11,897.71

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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.