Home / 10,419.60-15,625.56-3,844.08

Finding the Fourth Proportional to 10,419.60, 15,625.56 and 3,844.08

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Solution

The fourth proportional to 10,419.60, 15,625.56 and 3,844.08 is: 5,764.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,419.60 : 15,625.56 = 3,844.08 : x
  2. Step 2: Convert to fraction form
    10,419.60/15,625.56 = 3,844.08/x
  3. Step 3: Cross multiply
    10,419.60x = 15,625.56 × 3,844.08
  4. Step 4: Simplify right side
    10,419.60x = 60,065,902.68
  5. Step 5: Solve for x
    x = 60,065,902.68/10,419.60
  6. Step 6: Final answer
    x = 5,764.70

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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.