Home / 20,216.69-27,899.88-11,264.18

Finding the Fourth Proportional to 20,216.69, 27,899.88 and 11,264.18

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Solution

The fourth proportional to 20,216.69, 27,899.88 and 11,264.18 is: 15,545.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,216.69 : 27,899.88 = 11,264.18 : x
  2. Step 2: Convert to fraction form
    20,216.69/27,899.88 = 11,264.18/x
  3. Step 3: Cross multiply
    20,216.69x = 27,899.88 × 11,264.18
  4. Step 4: Simplify right side
    20,216.69x = 314,269,270.30
  5. Step 5: Solve for x
    x = 314,269,270.30/20,216.69
  6. Step 6: Final answer
    x = 15,545.04

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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.