Home / 12,545.01-18,816.98-3,779.73

Finding the Fourth Proportional to 12,545.01, 18,816.98 and 3,779.73

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Solution

The fourth proportional to 12,545.01, 18,816.98 and 3,779.73 is: 5,669.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,545.01 : 18,816.98 = 3,779.73 : x
  2. Step 2: Convert to fraction form
    12,545.01/18,816.98 = 3,779.73/x
  3. Step 3: Cross multiply
    12,545.01x = 18,816.98 × 3,779.73
  4. Step 4: Simplify right side
    12,545.01x = 71,123,084.92
  5. Step 5: Solve for x
    x = 71,123,084.92/12,545.01
  6. Step 6: Final answer
    x = 5,669.43

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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.