Home / 17,989.28-24,855.68-12,943.52

Finding the Fourth Proportional to 17,989.28, 24,855.68 and 12,943.52

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Solution

The fourth proportional to 17,989.28, 24,855.68 and 12,943.52 is: 17,883.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,989.28 : 24,855.68 = 12,943.52 : x
  2. Step 2: Convert to fraction form
    17,989.28/24,855.68 = 12,943.52/x
  3. Step 3: Cross multiply
    17,989.28x = 24,855.68 × 12,943.52
  4. Step 4: Simplify right side
    17,989.28x = 321,719,926.48
  5. Step 5: Solve for x
    x = 321,719,926.48/17,989.28
  6. Step 6: Final answer
    x = 17,883.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.