Home / 18,708.48-28,062.72-5,560.97

Finding the Fourth Proportional to 18,708.48, 28,062.72 and 5,560.97

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Solution

The fourth proportional to 18,708.48, 28,062.72 and 5,560.97 is: 8,341.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,708.48 : 28,062.72 = 5,560.97 : x
  2. Step 2: Convert to fraction form
    18,708.48/28,062.72 = 5,560.97/x
  3. Step 3: Cross multiply
    18,708.48x = 28,062.72 × 5,560.97
  4. Step 4: Simplify right side
    18,708.48x = 156,055,803.72
  5. Step 5: Solve for x
    x = 156,055,803.72/18,708.48
  6. Step 6: Final answer
    x = 8,341.45

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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.