Home / 18,330.60-27,476.40-13,937.16

Finding the Fourth Proportional to 18,330.60, 27,476.40 and 13,937.16

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Solution

The fourth proportional to 18,330.60, 27,476.40 and 13,937.16 is: 20,890.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.60 : 27,476.40 = 13,937.16 : x
  2. Step 2: Convert to fraction form
    18,330.60/27,476.40 = 13,937.16/x
  3. Step 3: Cross multiply
    18,330.60x = 27,476.40 × 13,937.16
  4. Step 4: Simplify right side
    18,330.60x = 382,942,983.02
  5. Step 5: Solve for x
    x = 382,942,983.02/18,330.60
  6. Step 6: Final answer
    x = 20,890.91

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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.