Home / 20,083.50-30,124.08-9,545.76

Finding the Fourth Proportional to 20,083.50, 30,124.08 and 9,545.76

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Solution

The fourth proportional to 20,083.50, 30,124.08 and 9,545.76 is: 14,318.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,083.50 : 30,124.08 = 9,545.76 : x
  2. Step 2: Convert to fraction form
    20,083.50/30,124.08 = 9,545.76/x
  3. Step 3: Cross multiply
    20,083.50x = 30,124.08 × 9,545.76
  4. Step 4: Simplify right side
    20,083.50x = 287,557,237.90
  5. Step 5: Solve for x
    x = 287,557,237.90/20,083.50
  6. Step 6: Final answer
    x = 14,318.08

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1.5x scale

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.