Home / 18,656.06-27,944.60-13,983.17

Finding the Fourth Proportional to 18,656.06, 27,944.60 and 13,983.17

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Solution

The fourth proportional to 18,656.06, 27,944.60 and 13,983.17 is: 20,945.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,656.06 : 27,944.60 = 13,983.17 : x
  2. Step 2: Convert to fraction form
    18,656.06/27,944.60 = 13,983.17/x
  3. Step 3: Cross multiply
    18,656.06x = 27,944.60 × 13,983.17
  4. Step 4: Simplify right side
    18,656.06x = 390,753,882.74
  5. Step 5: Solve for x
    x = 390,753,882.74/18,656.06
  6. Step 6: Final answer
    x = 20,945.15

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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.