Home / 21,404.06-32,120.68-7,553.06

Finding the Fourth Proportional to 21,404.06, 32,120.68 and 7,553.06

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Solution

The fourth proportional to 21,404.06, 32,120.68 and 7,553.06 is: 11,334.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,404.06 : 32,120.68 = 7,553.06 : x
  2. Step 2: Convert to fraction form
    21,404.06/32,120.68 = 7,553.06/x
  3. Step 3: Cross multiply
    21,404.06x = 32,120.68 × 7,553.06
  4. Step 4: Simplify right side
    21,404.06x = 242,609,484.70
  5. Step 5: Solve for x
    x = 242,609,484.70/21,404.06
  6. Step 6: Final answer
    x = 11,334.74

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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.