Home / 15,634.48-23,451.76-3,947.60

Finding the Fourth Proportional to 15,634.48, 23,451.76 and 3,947.60

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Solution

The fourth proportional to 15,634.48, 23,451.76 and 3,947.60 is: 5,921.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,634.48 : 23,451.76 = 3,947.60 : x
  2. Step 2: Convert to fraction form
    15,634.48/23,451.76 = 3,947.60/x
  3. Step 3: Cross multiply
    15,634.48x = 23,451.76 × 3,947.60
  4. Step 4: Simplify right side
    15,634.48x = 92,578,167.78
  5. Step 5: Solve for x
    x = 92,578,167.78/15,634.48
  6. Step 6: Final answer
    x = 5,921.41

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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.