Home / 20,442.58-30,657.39-8,752.66

Finding the Fourth Proportional to 20,442.58, 30,657.39 and 8,752.66

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Solution

The fourth proportional to 20,442.58, 30,657.39 and 8,752.66 is: 13,126.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,442.58 : 30,657.39 = 8,752.66 : x
  2. Step 2: Convert to fraction form
    20,442.58/30,657.39 = 8,752.66/x
  3. Step 3: Cross multiply
    20,442.58x = 30,657.39 × 8,752.66
  4. Step 4: Simplify right side
    20,442.58x = 268,333,711.16
  5. Step 5: Solve for x
    x = 268,333,711.16/20,442.58
  6. Step 6: Final answer
    x = 13,126.22

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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.