Home / 13,015.44-17,949.02-8,543.07

Finding the Fourth Proportional to 13,015.44, 17,949.02 and 8,543.07

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Solution

The fourth proportional to 13,015.44, 17,949.02 and 8,543.07 is: 11,781.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015.44 : 17,949.02 = 8,543.07 : x
  2. Step 2: Convert to fraction form
    13,015.44/17,949.02 = 8,543.07/x
  3. Step 3: Cross multiply
    13,015.44x = 17,949.02 × 8,543.07
  4. Step 4: Simplify right side
    13,015.44x = 153,339,691.58
  5. Step 5: Solve for x
    x = 153,339,691.58/13,015.44
  6. Step 6: Final answer
    x = 11,781.37

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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.