Home / 15,279.01-22,918.54-4,185.80

Finding the Fourth Proportional to 15,279.01, 22,918.54 and 4,185.80

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Solution

The fourth proportional to 15,279.01, 22,918.54 and 4,185.80 is: 6,278.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,279.01 : 22,918.54 = 4,185.80 : x
  2. Step 2: Convert to fraction form
    15,279.01/22,918.54 = 4,185.80/x
  3. Step 3: Cross multiply
    15,279.01x = 22,918.54 × 4,185.80
  4. Step 4: Simplify right side
    15,279.01x = 95,932,289.21
  5. Step 5: Solve for x
    x = 95,932,289.21/15,279.01
  6. Step 6: Final answer
    x = 6,278.70

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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.