Home / 19,838.95-29,766.16-8,737.83

Finding the Fourth Proportional to 19,838.95, 29,766.16 and 8,737.83

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Solution

The fourth proportional to 19,838.95, 29,766.16 and 8,737.83 is: 13,110.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,838.95 : 29,766.16 = 8,737.83 : x
  2. Step 2: Convert to fraction form
    19,838.95/29,766.16 = 8,737.83/x
  3. Step 3: Cross multiply
    19,838.95x = 29,766.16 × 8,737.83
  4. Step 4: Simplify right side
    19,838.95x = 260,091,645.83
  5. Step 5: Solve for x
    x = 260,091,645.83/19,838.95
  6. Step 6: Final answer
    x = 13,110.15

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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.