Home / 20,253.16-30,382.98-8,566.48

Finding the Fourth Proportional to 20,253.16, 30,382.98 and 8,566.48

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Solution

The fourth proportional to 20,253.16, 30,382.98 and 8,566.48 is: 12,851.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,253.16 : 30,382.98 = 8,566.48 : x
  2. Step 2: Convert to fraction form
    20,253.16/30,382.98 = 8,566.48/x
  3. Step 3: Cross multiply
    20,253.16x = 30,382.98 × 8,566.48
  4. Step 4: Simplify right side
    20,253.16x = 260,275,190.51
  5. Step 5: Solve for x
    x = 260,275,190.51/20,253.16
  6. Step 6: Final answer
    x = 12,851.09

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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.