Home / 16,724.26-23,079.31-9,170.57

Finding the Fourth Proportional to 16,724.26, 23,079.31 and 9,170.57

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Solution

The fourth proportional to 16,724.26, 23,079.31 and 9,170.57 is: 12,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,724.26 : 23,079.31 = 9,170.57 : x
  2. Step 2: Convert to fraction form
    16,724.26/23,079.31 = 9,170.57/x
  3. Step 3: Cross multiply
    16,724.26x = 23,079.31 × 9,170.57
  4. Step 4: Simplify right side
    16,724.26x = 211,650,462.68
  5. Step 5: Solve for x
    x = 211,650,462.68/16,724.26
  6. Step 6: Final answer
    x = 12,655.30

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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.