Home / 18,272.67-27,411.36-6,425.61

Finding the Fourth Proportional to 18,272.67, 27,411.36 and 6,425.61

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Solution

The fourth proportional to 18,272.67, 27,411.36 and 6,425.61 is: 9,639.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,272.67 : 27,411.36 = 6,425.61 : x
  2. Step 2: Convert to fraction form
    18,272.67/27,411.36 = 6,425.61/x
  3. Step 3: Cross multiply
    18,272.67x = 27,411.36 × 6,425.61
  4. Step 4: Simplify right side
    18,272.67x = 176,134,708.93
  5. Step 5: Solve for x
    x = 176,134,708.93/18,272.67
  6. Step 6: Final answer
    x = 9,639.24

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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.