Home / 18,713.67-28,070.55-5,566.20

Finding the Fourth Proportional to 18,713.67, 28,070.55 and 5,566.20

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Solution

The fourth proportional to 18,713.67, 28,070.55 and 5,566.20 is: 8,349.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713.67 : 28,070.55 = 5,566.20 : x
  2. Step 2: Convert to fraction form
    18,713.67/28,070.55 = 5,566.20/x
  3. Step 3: Cross multiply
    18,713.67x = 28,070.55 × 5,566.20
  4. Step 4: Simplify right side
    18,713.67x = 156,246,295.41
  5. Step 5: Solve for x
    x = 156,246,295.41/18,713.67
  6. Step 6: Final answer
    x = 8,349.31

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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.