Home / 15,634.66-23,451.74-3,947.80

Finding the Fourth Proportional to 15,634.66, 23,451.74 and 3,947.80

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Solution

The fourth proportional to 15,634.66, 23,451.74 and 3,947.80 is: 5,921.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,634.66 : 23,451.74 = 3,947.80 : x
  2. Step 2: Convert to fraction form
    15,634.66/23,451.74 = 3,947.80/x
  3. Step 3: Cross multiply
    15,634.66x = 23,451.74 × 3,947.80
  4. Step 4: Simplify right side
    15,634.66x = 92,582,779.17
  5. Step 5: Solve for x
    x = 92,582,779.17/15,634.66
  6. Step 6: Final answer
    x = 5,921.64

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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.