Home / 21,737.60-32,603.20-6,156.80

Finding the Fourth Proportional to 21,737.60, 32,603.20 and 6,156.80

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Solution

The fourth proportional to 21,737.60, 32,603.20 and 6,156.80 is: 9,234.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,737.60 : 32,603.20 = 6,156.80 : x
  2. Step 2: Convert to fraction form
    21,737.60/32,603.20 = 6,156.80/x
  3. Step 3: Cross multiply
    21,737.60x = 32,603.20 × 6,156.80
  4. Step 4: Simplify right side
    21,737.60x = 200,731,381.76
  5. Step 5: Solve for x
    x = 200,731,381.76/21,737.60
  6. Step 6: Final answer
    x = 9,234.29

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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.