Home / 22,446.64-30,979.14-13,498.84

Finding the Fourth Proportional to 22,446.64, 30,979.14 and 13,498.84

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Solution

The fourth proportional to 22,446.64, 30,979.14 and 13,498.84 is: 18,630.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,446.64 : 30,979.14 = 13,498.84 : x
  2. Step 2: Convert to fraction form
    22,446.64/30,979.14 = 13,498.84/x
  3. Step 3: Cross multiply
    22,446.64x = 30,979.14 × 13,498.84
  4. Step 4: Simplify right side
    22,446.64x = 418,182,454.20
  5. Step 5: Solve for x
    x = 418,182,454.20/22,446.64
  6. Step 6: Final answer
    x = 18,630.07

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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.