Home / 20,545.28-30,822.54-6,506.16

Finding the Fourth Proportional to 20,545.28, 30,822.54 and 6,506.16

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Solution

The fourth proportional to 20,545.28, 30,822.54 and 6,506.16 is: 9,760.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,545.28 : 30,822.54 = 6,506.16 : x
  2. Step 2: Convert to fraction form
    20,545.28/30,822.54 = 6,506.16/x
  3. Step 3: Cross multiply
    20,545.28x = 30,822.54 × 6,506.16
  4. Step 4: Simplify right side
    20,545.28x = 200,536,376.85
  5. Step 5: Solve for x
    x = 200,536,376.85/20,545.28
  6. Step 6: Final answer
    x = 9,760.70

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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.