Home / 10,385.01-15,575.19-2,987.82

Finding the Fourth Proportional to 10,385.01, 15,575.19 and 2,987.82

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Solution

The fourth proportional to 10,385.01, 15,575.19 and 2,987.82 is: 4,481.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.01 : 15,575.19 = 2,987.82 : x
  2. Step 2: Convert to fraction form
    10,385.01/15,575.19 = 2,987.82/x
  3. Step 3: Cross multiply
    10,385.01x = 15,575.19 × 2,987.82
  4. Step 4: Simplify right side
    10,385.01x = 46,535,852.98
  5. Step 5: Solve for x
    x = 46,535,852.98/10,385.01
  6. Step 6: Final answer
    x = 4,481.06

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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.