Home / 10,045.20-15,052.52-7,956.48

Finding the Fourth Proportional to 10,045.20, 15,052.52 and 7,956.48

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Solution

The fourth proportional to 10,045.20, 15,052.52 and 7,956.48 is: 11,922.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,045.20 : 15,052.52 = 7,956.48 : x
  2. Step 2: Convert to fraction form
    10,045.20/15,052.52 = 7,956.48/x
  3. Step 3: Cross multiply
    10,045.20x = 15,052.52 × 7,956.48
  4. Step 4: Simplify right side
    10,045.20x = 119,765,074.33
  5. Step 5: Solve for x
    x = 119,765,074.33/10,045.20
  6. Step 6: Final answer
    x = 11,922.62

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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.