Home / 10,106.30-15,149.48-4,839.80

Finding the Fourth Proportional to 10,106.30, 15,149.48 and 4,839.80

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Solution

The fourth proportional to 10,106.30, 15,149.48 and 4,839.80 is: 7,254.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106.30 : 15,149.48 = 4,839.80 : x
  2. Step 2: Convert to fraction form
    10,106.30/15,149.48 = 4,839.80/x
  3. Step 3: Cross multiply
    10,106.30x = 15,149.48 × 4,839.80
  4. Step 4: Simplify right side
    10,106.30x = 73,320,453.30
  5. Step 5: Solve for x
    x = 73,320,453.30/10,106.30
  6. Step 6: Final answer
    x = 7,254.93

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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.