Home / 18,723.74-28,089.66-5,577.18

Finding the Fourth Proportional to 18,723.74, 28,089.66 and 5,577.18

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Solution

The fourth proportional to 18,723.74, 28,089.66 and 5,577.18 is: 8,366.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723.74 : 28,089.66 = 5,577.18 : x
  2. Step 2: Convert to fraction form
    18,723.74/28,089.66 = 5,577.18/x
  3. Step 3: Cross multiply
    18,723.74x = 28,089.66 × 5,577.18
  4. Step 4: Simplify right side
    18,723.74x = 156,661,089.96
  5. Step 5: Solve for x
    x = 156,661,089.96/18,723.74
  6. Step 6: Final answer
    x = 8,366.98

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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.