Home / 11,621.12-17,454.08-9,959

Finding the Fourth Proportional to 11,621.12, 17,454.08 and 9,959

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Solution

The fourth proportional to 11,621.12, 17,454.08 and 9,959 is: 14,957.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.12 : 17,454.08 = 9,959 : x
  2. Step 2: Convert to fraction form
    11,621.12/17,454.08 = 9,959/x
  3. Step 3: Cross multiply
    11,621.12x = 17,454.08 × 9,959
  4. Step 4: Simplify right side
    11,621.12x = 173,825,182.72
  5. Step 5: Solve for x
    x = 173,825,182.72/11,621.12
  6. Step 6: Final answer
    x = 14,957.70

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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.