Home / 21,622.70-32,416.05-9,152.30

Finding the Fourth Proportional to 21,622.70, 32,416.05 and 9,152.30

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Solution

The fourth proportional to 21,622.70, 32,416.05 and 9,152.30 is: 13,720.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,622.70 : 32,416.05 = 9,152.30 : x
  2. Step 2: Convert to fraction form
    21,622.70/32,416.05 = 9,152.30/x
  3. Step 3: Cross multiply
    21,622.70x = 32,416.05 × 9,152.30
  4. Step 4: Simplify right side
    21,622.70x = 296,681,414.42
  5. Step 5: Solve for x
    x = 296,681,414.42/21,622.70
  6. Step 6: Final answer
    x = 13,720.83

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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.