Home / 19,838.38-29,765.32-8,737.27

Finding the Fourth Proportional to 19,838.38, 29,765.32 and 8,737.27

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Solution

The fourth proportional to 19,838.38, 29,765.32 and 8,737.27 is: 13,109.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,838.38 : 29,765.32 = 8,737.27 : x
  2. Step 2: Convert to fraction form
    19,838.38/29,765.32 = 8,737.27/x
  3. Step 3: Cross multiply
    19,838.38x = 29,765.32 × 8,737.27
  4. Step 4: Simplify right side
    19,838.38x = 260,067,637.48
  5. Step 5: Solve for x
    x = 260,067,637.48/19,838.38
  6. Step 6: Final answer
    x = 13,109.32

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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.