Home / 10,508.24-15,740.40-4,966.40

Finding the Fourth Proportional to 10,508.24, 15,740.40 and 4,966.40

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Solution

The fourth proportional to 10,508.24, 15,740.40 and 4,966.40 is: 7,439.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,508.24 : 15,740.40 = 4,966.40 : x
  2. Step 2: Convert to fraction form
    10,508.24/15,740.40 = 4,966.40/x
  3. Step 3: Cross multiply
    10,508.24x = 15,740.40 × 4,966.40
  4. Step 4: Simplify right side
    10,508.24x = 78,173,122.56
  5. Step 5: Solve for x
    x = 78,173,122.56/10,508.24
  6. Step 6: Final answer
    x = 7,439.22

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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.