Home / 20,013.30-27,619.12-11,061.18

Finding the Fourth Proportional to 20,013.30, 27,619.12 and 11,061.18

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Solution

The fourth proportional to 20,013.30, 27,619.12 and 11,061.18 is: 15,264.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,013.30 : 27,619.12 = 11,061.18 : x
  2. Step 2: Convert to fraction form
    20,013.30/27,619.12 = 11,061.18/x
  3. Step 3: Cross multiply
    20,013.30x = 27,619.12 × 11,061.18
  4. Step 4: Simplify right side
    20,013.30x = 305,500,057.76
  5. Step 5: Solve for x
    x = 305,500,057.76/20,013.30
  6. Step 6: Final answer
    x = 15,264.85

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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.