Home / 16,500.29-22,761.20-9,779.45

Finding the Fourth Proportional to 16,500.29, 22,761.20 and 9,779.45

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Solution

The fourth proportional to 16,500.29, 22,761.20 and 9,779.45 is: 13,490.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,500.29 : 22,761.20 = 9,779.45 : x
  2. Step 2: Convert to fraction form
    16,500.29/22,761.20 = 9,779.45/x
  3. Step 3: Cross multiply
    16,500.29x = 22,761.20 × 9,779.45
  4. Step 4: Simplify right side
    16,500.29x = 222,591,927.98
  5. Step 5: Solve for x
    x = 222,591,927.98/16,500.29
  6. Step 6: Final answer
    x = 13,490.19

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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.