Home / 13,543.00-18,691.56-7,576.13

Finding the Fourth Proportional to 13,543.00, 18,691.56 and 7,576.13

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Solution

The fourth proportional to 13,543.00, 18,691.56 and 7,576.13 is: 10,456.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,543.00 : 18,691.56 = 7,576.13 : x
  2. Step 2: Convert to fraction form
    13,543.00/18,691.56 = 7,576.13/x
  3. Step 3: Cross multiply
    13,543.00x = 18,691.56 × 7,576.13
  4. Step 4: Simplify right side
    13,543.00x = 141,609,735.19
  5. Step 5: Solve for x
    x = 141,609,735.19/13,543.00
  6. Step 6: Final answer
    x = 10,456.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.