Home / 10,327.26-15,475.12-7,681.97

Finding the Fourth Proportional to 10,327.26, 15,475.12 and 7,681.97

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Solution

The fourth proportional to 10,327.26, 15,475.12 and 7,681.97 is: 11,511.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,327.26 : 15,475.12 = 7,681.97 : x
  2. Step 2: Convert to fraction form
    10,327.26/15,475.12 = 7,681.97/x
  3. Step 3: Cross multiply
    10,327.26x = 15,475.12 × 7,681.97
  4. Step 4: Simplify right side
    10,327.26x = 118,879,407.59
  5. Step 5: Solve for x
    x = 118,879,407.59/10,327.26
  6. Step 6: Final answer
    x = 11,511.22

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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.