Home / 15,545.66-21,452.42-8,471.93

Finding the Fourth Proportional to 15,545.66, 21,452.42 and 8,471.93

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Solution

The fourth proportional to 15,545.66, 21,452.42 and 8,471.93 is: 11,690.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,545.66 : 21,452.42 = 8,471.93 : x
  2. Step 2: Convert to fraction form
    15,545.66/21,452.42 = 8,471.93/x
  3. Step 3: Cross multiply
    15,545.66x = 21,452.42 × 8,471.93
  4. Step 4: Simplify right side
    15,545.66x = 181,743,250.95
  5. Step 5: Solve for x
    x = 181,743,250.95/15,545.66
  6. Step 6: Final answer
    x = 11,690.94

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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.