Home / 15,691.32-23,546.70-14,077.80

Finding the Fourth Proportional to 15,691.32, 23,546.70 and 14,077.80

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Solution

The fourth proportional to 15,691.32, 23,546.70 and 14,077.80 is: 21,125.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,691.32 : 23,546.70 = 14,077.80 : x
  2. Step 2: Convert to fraction form
    15,691.32/23,546.70 = 14,077.80/x
  3. Step 3: Cross multiply
    15,691.32x = 23,546.70 × 14,077.80
  4. Step 4: Simplify right side
    15,691.32x = 331,485,733.26
  5. Step 5: Solve for x
    x = 331,485,733.26/15,691.32
  6. Step 6: Final answer
    x = 21,125.42

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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.