Home / 15,867.62-21,851.17-14,853.44

Finding the Fourth Proportional to 15,867.62, 21,851.17 and 14,853.44

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Solution

The fourth proportional to 15,867.62, 21,851.17 and 14,853.44 is: 20,454.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,867.62 : 21,851.17 = 14,853.44 : x
  2. Step 2: Convert to fraction form
    15,867.62/21,851.17 = 14,853.44/x
  3. Step 3: Cross multiply
    15,867.62x = 21,851.17 × 14,853.44
  4. Step 4: Simplify right side
    15,867.62x = 324,564,933.27
  5. Step 5: Solve for x
    x = 324,564,933.27/15,867.62
  6. Step 6: Final answer
    x = 20,454.55

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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.