Home / 10,104.15-15,154.79-3,177.75

Finding the Fourth Proportional to 10,104.15, 15,154.79 and 3,177.75

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Solution

The fourth proportional to 10,104.15, 15,154.79 and 3,177.75 is: 4,766.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,104.15 : 15,154.79 = 3,177.75 : x
  2. Step 2: Convert to fraction form
    10,104.15/15,154.79 = 3,177.75/x
  3. Step 3: Cross multiply
    10,104.15x = 15,154.79 × 3,177.75
  4. Step 4: Simplify right side
    10,104.15x = 48,158,118.03
  5. Step 5: Solve for x
    x = 48,158,118.03/10,104.15
  6. Step 6: Final answer
    x = 4,766.17

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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.