Home / 10,101.44-15,150-3,079.92

Finding the Fourth Proportional to 10,101.44, 15,150 and 3,079.92

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Solution

The fourth proportional to 10,101.44, 15,150 and 3,079.92 is: 4,619.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101.44 : 15,150 = 3,079.92 : x
  2. Step 2: Convert to fraction form
    10,101.44/15,150 = 3,079.92/x
  3. Step 3: Cross multiply
    10,101.44x = 15,150 × 3,079.92
  4. Step 4: Simplify right side
    10,101.44x = 46,660,788
  5. Step 5: Solve for x
    x = 46,660,788/10,101.44
  6. Step 6: Final answer
    x = 4,619.22

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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.