Home / 10,175.81-15,243.91-7,502.53

Finding the Fourth Proportional to 10,175.81, 15,243.91 and 7,502.53

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Solution

The fourth proportional to 10,175.81, 15,243.91 and 7,502.53 is: 11,239.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,175.81 : 15,243.91 = 7,502.53 : x
  2. Step 2: Convert to fraction form
    10,175.81/15,243.91 = 7,502.53/x
  3. Step 3: Cross multiply
    10,175.81x = 15,243.91 × 7,502.53
  4. Step 4: Simplify right side
    10,175.81x = 114,367,892.09
  5. Step 5: Solve for x
    x = 114,367,892.09/10,175.81
  6. Step 6: Final answer
    x = 11,239.19

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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.