Home / 15,419.51-23,132.90-5,031.25

Finding the Fourth Proportional to 15,419.51, 23,132.90 and 5,031.25

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Solution

The fourth proportional to 15,419.51, 23,132.90 and 5,031.25 is: 7,548.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,419.51 : 23,132.90 = 5,031.25 : x
  2. Step 2: Convert to fraction form
    15,419.51/23,132.90 = 5,031.25/x
  3. Step 3: Cross multiply
    15,419.51x = 23,132.90 × 5,031.25
  4. Step 4: Simplify right side
    15,419.51x = 116,387,377.97
  5. Step 5: Solve for x
    x = 116,387,377.97/15,419.51
  6. Step 6: Final answer
    x = 7,548.06

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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.