Home / 20,654.60-30,960.22-10,110.08

Finding the Fourth Proportional to 20,654.60, 30,960.22 and 10,110.08

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Solution

The fourth proportional to 20,654.60, 30,960.22 and 10,110.08 is: 15,154.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,654.60 : 30,960.22 = 10,110.08 : x
  2. Step 2: Convert to fraction form
    20,654.60/30,960.22 = 10,110.08/x
  3. Step 3: Cross multiply
    20,654.60x = 30,960.22 × 10,110.08
  4. Step 4: Simplify right side
    20,654.60x = 313,010,301.02
  5. Step 5: Solve for x
    x = 313,010,301.02/20,654.60
  6. Step 6: Final answer
    x = 15,154.51

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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.