Home / 21,545.78-32,318.66-6,754.68

Finding the Fourth Proportional to 21,545.78, 32,318.66 and 6,754.68

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Solution

The fourth proportional to 21,545.78, 32,318.66 and 6,754.68 is: 10,132.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,545.78 : 32,318.66 = 6,754.68 : x
  2. Step 2: Convert to fraction form
    21,545.78/32,318.66 = 6,754.68/x
  3. Step 3: Cross multiply
    21,545.78x = 32,318.66 × 6,754.68
  4. Step 4: Simplify right side
    21,545.78x = 218,302,223.22
  5. Step 5: Solve for x
    x = 218,302,223.22/21,545.78
  6. Step 6: Final answer
    x = 10,132.02

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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.