Home / 10,480.13-15,716.54-3,902.72

Finding the Fourth Proportional to 10,480.13, 15,716.54 and 3,902.72

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Solution

The fourth proportional to 10,480.13, 15,716.54 and 3,902.72 is: 5,852.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,480.13 : 15,716.54 = 3,902.72 : x
  2. Step 2: Convert to fraction form
    10,480.13/15,716.54 = 3,902.72/x
  3. Step 3: Cross multiply
    10,480.13x = 15,716.54 × 3,902.72
  4. Step 4: Simplify right side
    10,480.13x = 61,337,304.04
  5. Step 5: Solve for x
    x = 61,337,304.04/10,480.13
  6. Step 6: Final answer
    x = 5,852.73

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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.