Home / 11,672.51-17,512.20-5,436.18

Finding the Fourth Proportional to 11,672.51, 17,512.20 and 5,436.18

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Solution

The fourth proportional to 11,672.51, 17,512.20 and 5,436.18 is: 8,155.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,672.51 : 17,512.20 = 5,436.18 : x
  2. Step 2: Convert to fraction form
    11,672.51/17,512.20 = 5,436.18/x
  3. Step 3: Cross multiply
    11,672.51x = 17,512.20 × 5,436.18
  4. Step 4: Simplify right side
    11,672.51x = 95,199,471.40
  5. Step 5: Solve for x
    x = 95,199,471.40/11,672.51
  6. Step 6: Final answer
    x = 8,155.87

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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.