Home / 13,201.97-18,215.76-7,534.90

Finding the Fourth Proportional to 13,201.97, 18,215.76 and 7,534.90

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Solution

The fourth proportional to 13,201.97, 18,215.76 and 7,534.90 is: 10,396.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,201.97 : 18,215.76 = 7,534.90 : x
  2. Step 2: Convert to fraction form
    13,201.97/18,215.76 = 7,534.90/x
  3. Step 3: Cross multiply
    13,201.97x = 18,215.76 × 7,534.90
  4. Step 4: Simplify right side
    13,201.97x = 137,254,023.90
  5. Step 5: Solve for x
    x = 137,254,023.90/13,201.97
  6. Step 6: Final answer
    x = 10,396.48

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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.