Home / 20,496.34-28,286.28-11,542.99

Finding the Fourth Proportional to 20,496.34, 28,286.28 and 11,542.99

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Solution

The fourth proportional to 20,496.34, 28,286.28 and 11,542.99 is: 15,930.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,496.34 : 28,286.28 = 11,542.99 : x
  2. Step 2: Convert to fraction form
    20,496.34/28,286.28 = 11,542.99/x
  3. Step 3: Cross multiply
    20,496.34x = 28,286.28 × 11,542.99
  4. Step 4: Simplify right side
    20,496.34x = 326,508,247.18
  5. Step 5: Solve for x
    x = 326,508,247.18/20,496.34
  6. Step 6: Final answer
    x = 15,930.08

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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.