Home / 10,439.40-15,659.88-3,043.92

Finding the Fourth Proportional to 10,439.40, 15,659.88 and 3,043.92

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Solution

The fourth proportional to 10,439.40, 15,659.88 and 3,043.92 is: 4,566.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439.40 : 15,659.88 = 3,043.92 : x
  2. Step 2: Convert to fraction form
    10,439.40/15,659.88 = 3,043.92/x
  3. Step 3: Cross multiply
    10,439.40x = 15,659.88 × 3,043.92
  4. Step 4: Simplify right side
    10,439.40x = 47,667,421.93
  5. Step 5: Solve for x
    x = 47,667,421.93/10,439.40
  6. Step 6: Final answer
    x = 4,566.11

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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.