Home / 21,545.86-32,305.54-8,382.90

Finding the Fourth Proportional to 21,545.86, 32,305.54 and 8,382.90

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Solution

The fourth proportional to 21,545.86, 32,305.54 and 8,382.90 is: 12,569.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,545.86 : 32,305.54 = 8,382.90 : x
  2. Step 2: Convert to fraction form
    21,545.86/32,305.54 = 8,382.90/x
  3. Step 3: Cross multiply
    21,545.86x = 32,305.54 × 8,382.90
  4. Step 4: Simplify right side
    21,545.86x = 270,814,111.27
  5. Step 5: Solve for x
    x = 270,814,111.27/21,545.86
  6. Step 6: Final answer
    x = 12,569.19

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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.