Home / 10,250.80-15,364.38-4,988.44

Finding the Fourth Proportional to 10,250.80, 15,364.38 and 4,988.44

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Solution

The fourth proportional to 10,250.80, 15,364.38 and 4,988.44 is: 7,476.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,250.80 : 15,364.38 = 4,988.44 : x
  2. Step 2: Convert to fraction form
    10,250.80/15,364.38 = 4,988.44/x
  3. Step 3: Cross multiply
    10,250.80x = 15,364.38 × 4,988.44
  4. Step 4: Simplify right side
    10,250.80x = 76,644,287.77
  5. Step 5: Solve for x
    x = 76,644,287.77/10,250.80
  6. Step 6: Final answer
    x = 7,476.91

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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.