Home / 17,212.64-23,753.67-9,660.61

Finding the Fourth Proportional to 17,212.64, 23,753.67 and 9,660.61

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Solution

The fourth proportional to 17,212.64, 23,753.67 and 9,660.61 is: 13,331.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,212.64 : 23,753.67 = 9,660.61 : x
  2. Step 2: Convert to fraction form
    17,212.64/23,753.67 = 9,660.61/x
  3. Step 3: Cross multiply
    17,212.64x = 23,753.67 × 9,660.61
  4. Step 4: Simplify right side
    17,212.64x = 229,474,823.17
  5. Step 5: Solve for x
    x = 229,474,823.17/17,212.64
  6. Step 6: Final answer
    x = 13,331.76

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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.