Home / 17,731.80-26,588.10-7,344.60

Finding the Fourth Proportional to 17,731.80, 26,588.10 and 7,344.60

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Solution

The fourth proportional to 17,731.80, 26,588.10 and 7,344.60 is: 11,012.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,731.80 : 26,588.10 = 7,344.60 : x
  2. Step 2: Convert to fraction form
    17,731.80/26,588.10 = 7,344.60/x
  3. Step 3: Cross multiply
    17,731.80x = 26,588.10 × 7,344.60
  4. Step 4: Simplify right side
    17,731.80x = 195,278,959.26
  5. Step 5: Solve for x
    x = 195,278,959.26/17,731.80
  6. Step 6: Final answer
    x = 11,012.92

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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.