Home / 21,545.40-32,318.04-6,754.38

Finding the Fourth Proportional to 21,545.40, 32,318.04 and 6,754.38

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Solution

The fourth proportional to 21,545.40, 32,318.04 and 6,754.38 is: 10,131.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,545.40 : 32,318.04 = 6,754.38 : x
  2. Step 2: Convert to fraction form
    21,545.40/32,318.04 = 6,754.38/x
  3. Step 3: Cross multiply
    21,545.40x = 32,318.04 × 6,754.38
  4. Step 4: Simplify right side
    21,545.40x = 218,288,323.02
  5. Step 5: Solve for x
    x = 218,288,323.02/21,545.40
  6. Step 6: Final answer
    x = 10,131.55

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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.