Home / 11,014.98-15,200.68-5,979.20

Finding the Fourth Proportional to 11,014.98, 15,200.68 and 5,979.20

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Solution

The fourth proportional to 11,014.98, 15,200.68 and 5,979.20 is: 8,251.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,014.98 : 15,200.68 = 5,979.20 : x
  2. Step 2: Convert to fraction form
    11,014.98/15,200.68 = 5,979.20/x
  3. Step 3: Cross multiply
    11,014.98x = 15,200.68 × 5,979.20
  4. Step 4: Simplify right side
    11,014.98x = 90,887,806.23
  5. Step 5: Solve for x
    x = 90,887,806.23/11,014.98
  6. Step 6: Final answer
    x = 8,251.29

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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.