Home / 16,724.86-23,080.56-9,171.88

Finding the Fourth Proportional to 16,724.86, 23,080.56 and 9,171.88

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Solution

The fourth proportional to 16,724.86, 23,080.56 and 9,171.88 is: 12,657.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,724.86 : 23,080.56 = 9,171.88 : x
  2. Step 2: Convert to fraction form
    16,724.86/23,080.56 = 9,171.88/x
  3. Step 3: Cross multiply
    16,724.86x = 23,080.56 × 9,171.88
  4. Step 4: Simplify right side
    16,724.86x = 211,692,126.65
  5. Step 5: Solve for x
    x = 211,692,126.65/16,724.86
  6. Step 6: Final answer
    x = 12,657.33

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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.