Home / 10,179.27-15,263.06-3,157.47

Finding the Fourth Proportional to 10,179.27, 15,263.06 and 3,157.47

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Solution

The fourth proportional to 10,179.27, 15,263.06 and 3,157.47 is: 4,734.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,179.27 : 15,263.06 = 3,157.47 : x
  2. Step 2: Convert to fraction form
    10,179.27/15,263.06 = 3,157.47/x
  3. Step 3: Cross multiply
    10,179.27x = 15,263.06 × 3,157.47
  4. Step 4: Simplify right side
    10,179.27x = 48,192,638.27
  5. Step 5: Solve for x
    x = 48,192,638.27/10,179.27
  6. Step 6: Final answer
    x = 4,734.39

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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.