Home / 21,343.62-32,031.76-9,665.04

Finding the Fourth Proportional to 21,343.62, 32,031.76 and 9,665.04

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Solution

The fourth proportional to 21,343.62, 32,031.76 and 9,665.04 is: 14,504.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,343.62 : 32,031.76 = 9,665.04 : x
  2. Step 2: Convert to fraction form
    21,343.62/32,031.76 = 9,665.04/x
  3. Step 3: Cross multiply
    21,343.62x = 32,031.76 × 9,665.04
  4. Step 4: Simplify right side
    21,343.62x = 309,588,241.67
  5. Step 5: Solve for x
    x = 309,588,241.67/21,343.62
  6. Step 6: Final answer
    x = 14,504.95

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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.