Home / 20,263.62-30,396.90-5,472.20

Finding the Fourth Proportional to 20,263.62, 30,396.90 and 5,472.20

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Solution

The fourth proportional to 20,263.62, 30,396.90 and 5,472.20 is: 8,208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263.62 : 30,396.90 = 5,472.20 : x
  2. Step 2: Convert to fraction form
    20,263.62/30,396.90 = 5,472.20/x
  3. Step 3: Cross multiply
    20,263.62x = 30,396.90 × 5,472.20
  4. Step 4: Simplify right side
    20,263.62x = 166,337,916.18
  5. Step 5: Solve for x
    x = 166,337,916.18/20,263.62
  6. Step 6: Final answer
    x = 8,208.70

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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.