Home / 21,462.57-32,172.45-10,198.14

Finding the Fourth Proportional to 21,462.57, 32,172.45 and 10,198.14

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Solution

The fourth proportional to 21,462.57, 32,172.45 and 10,198.14 is: 15,287.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,462.57 : 32,172.45 = 10,198.14 : x
  2. Step 2: Convert to fraction form
    21,462.57/32,172.45 = 10,198.14/x
  3. Step 3: Cross multiply
    21,462.57x = 32,172.45 × 10,198.14
  4. Step 4: Simplify right side
    21,462.57x = 328,099,149.24
  5. Step 5: Solve for x
    x = 328,099,149.24/21,462.57
  6. Step 6: Final answer
    x = 15,287.04

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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.