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Finding the Fourth Proportional to 17,737.08, 24,478.08 and 9,779.28

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Solution

The fourth proportional to 17,737.08, 24,478.08 and 9,779.28 is: 13,495.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,737.08 : 24,478.08 = 9,779.28 : x
  2. Step 2: Convert to fraction form
    17,737.08/24,478.08 = 9,779.28/x
  3. Step 3: Cross multiply
    17,737.08x = 24,478.08 × 9,779.28
  4. Step 4: Simplify right side
    17,737.08x = 239,377,998.18
  5. Step 5: Solve for x
    x = 239,377,998.18/17,737.08
  6. Step 6: Final answer
    x = 13,495.91

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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.