Home / 10,134.60-15,193.80-4,286.40

Finding the Fourth Proportional to 10,134.60, 15,193.80 and 4,286.40

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Solution

The fourth proportional to 10,134.60, 15,193.80 and 4,286.40 is: 6,426.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134.60 : 15,193.80 = 4,286.40 : x
  2. Step 2: Convert to fraction form
    10,134.60/15,193.80 = 4,286.40/x
  3. Step 3: Cross multiply
    10,134.60x = 15,193.80 × 4,286.40
  4. Step 4: Simplify right side
    10,134.60x = 65,126,704.32
  5. Step 5: Solve for x
    x = 65,126,704.32/10,134.60
  6. Step 6: Final answer
    x = 6,426.17

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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.