Home / 18,680.13-27,981.92-14,962.23

Finding the Fourth Proportional to 18,680.13, 27,981.92 and 14,962.23

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Solution

The fourth proportional to 18,680.13, 27,981.92 and 14,962.23 is: 22,412.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,680.13 : 27,981.92 = 14,962.23 : x
  2. Step 2: Convert to fraction form
    18,680.13/27,981.92 = 14,962.23/x
  3. Step 3: Cross multiply
    18,680.13x = 27,981.92 × 14,962.23
  4. Step 4: Simplify right side
    18,680.13x = 418,671,960.29
  5. Step 5: Solve for x
    x = 418,671,960.29/18,680.13
  6. Step 6: Final answer
    x = 22,412.69

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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.