Home / 15,781.25-23,672.06-4,093.76

Finding the Fourth Proportional to 15,781.25, 23,672.06 and 4,093.76

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Solution

The fourth proportional to 15,781.25, 23,672.06 and 4,093.76 is: 6,140.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781.25 : 23,672.06 = 4,093.76 : x
  2. Step 2: Convert to fraction form
    15,781.25/23,672.06 = 4,093.76/x
  3. Step 3: Cross multiply
    15,781.25x = 23,672.06 × 4,093.76
  4. Step 4: Simplify right side
    15,781.25x = 96,907,711.88
  5. Step 5: Solve for x
    x = 96,907,711.88/15,781.25
  6. Step 6: Final answer
    x = 6,140.69

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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.