Home / 13,172.26-19,747.56-6,148.80

Finding the Fourth Proportional to 13,172.26, 19,747.56 and 6,148.80

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Solution

The fourth proportional to 13,172.26, 19,747.56 and 6,148.80 is: 9,218.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,172.26 : 19,747.56 = 6,148.80 : x
  2. Step 2: Convert to fraction form
    13,172.26/19,747.56 = 6,148.80/x
  3. Step 3: Cross multiply
    13,172.26x = 19,747.56 × 6,148.80
  4. Step 4: Simplify right side
    13,172.26x = 121,423,796.93
  5. Step 5: Solve for x
    x = 121,423,796.93/13,172.26
  6. Step 6: Final answer
    x = 9,218.14

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1.5x scale

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.