Home / 14,659.25-20,222.31-9,272.61

Finding the Fourth Proportional to 14,659.25, 20,222.31 and 9,272.61

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Solution

The fourth proportional to 14,659.25, 20,222.31 and 9,272.61 is: 12,791.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,659.25 : 20,222.31 = 9,272.61 : x
  2. Step 2: Convert to fraction form
    14,659.25/20,222.31 = 9,272.61/x
  3. Step 3: Cross multiply
    14,659.25x = 20,222.31 × 9,272.61
  4. Step 4: Simplify right side
    14,659.25x = 187,513,661.86
  5. Step 5: Solve for x
    x = 187,513,661.86/14,659.25
  6. Step 6: Final answer
    x = 12,791.49

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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.