Home / 19,630.60-29,436.04-9,091.56

Finding the Fourth Proportional to 19,630.60, 29,436.04 and 9,091.56

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Solution

The fourth proportional to 19,630.60, 29,436.04 and 9,091.56 is: 13,632.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630.60 : 29,436.04 = 9,091.56 : x
  2. Step 2: Convert to fraction form
    19,630.60/29,436.04 = 9,091.56/x
  3. Step 3: Cross multiply
    19,630.60x = 29,436.04 × 9,091.56
  4. Step 4: Simplify right side
    19,630.60x = 267,619,523.82
  5. Step 5: Solve for x
    x = 267,619,523.82/19,630.60
  6. Step 6: Final answer
    x = 13,632.77

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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.