Home / 10,117.50-15,178.68-3,192

Finding the Fourth Proportional to 10,117.50, 15,178.68 and 3,192

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Solution

The fourth proportional to 10,117.50, 15,178.68 and 3,192 is: 4,788.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,117.50 : 15,178.68 = 3,192 : x
  2. Step 2: Convert to fraction form
    10,117.50/15,178.68 = 3,192/x
  3. Step 3: Cross multiply
    10,117.50x = 15,178.68 × 3,192
  4. Step 4: Simplify right side
    10,117.50x = 48,450,346.56
  5. Step 5: Solve for x
    x = 48,450,346.56/10,117.50
  6. Step 6: Final answer
    x = 4,788.77

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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.