Home / 19,645.44-29,444.78-9,100.76

Finding the Fourth Proportional to 19,645.44, 29,444.78 and 9,100.76

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Solution

The fourth proportional to 19,645.44, 29,444.78 and 9,100.76 is: 13,640.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,645.44 : 29,444.78 = 9,100.76 : x
  2. Step 2: Convert to fraction form
    19,645.44/29,444.78 = 9,100.76/x
  3. Step 3: Cross multiply
    19,645.44x = 29,444.78 × 9,100.76
  4. Step 4: Simplify right side
    19,645.44x = 267,969,876.03
  5. Step 5: Solve for x
    x = 267,969,876.03/19,645.44
  6. Step 6: Final answer
    x = 13,640.31

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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.