Home / 20,219.14-27,901.68-11,266.18

Finding the Fourth Proportional to 20,219.14, 27,901.68 and 11,266.18

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Solution

The fourth proportional to 20,219.14, 27,901.68 and 11,266.18 is: 15,546.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219.14 : 27,901.68 = 11,266.18 : x
  2. Step 2: Convert to fraction form
    20,219.14/27,901.68 = 11,266.18/x
  3. Step 3: Cross multiply
    20,219.14x = 27,901.68 × 11,266.18
  4. Step 4: Simplify right side
    20,219.14x = 314,345,349.18
  5. Step 5: Solve for x
    x = 314,345,349.18/20,219.14
  6. Step 6: Final answer
    x = 15,546.92

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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.