Home / 10,377.44-15,570.68-5,445.88

Finding the Fourth Proportional to 10,377.44, 15,570.68 and 5,445.88

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Solution

The fourth proportional to 10,377.44, 15,570.68 and 5,445.88 is: 8,171.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377.44 : 15,570.68 = 5,445.88 : x
  2. Step 2: Convert to fraction form
    10,377.44/15,570.68 = 5,445.88/x
  3. Step 3: Cross multiply
    10,377.44x = 15,570.68 × 5,445.88
  4. Step 4: Simplify right side
    10,377.44x = 84,796,054.80
  5. Step 5: Solve for x
    x = 84,796,054.80/10,377.44
  6. Step 6: Final answer
    x = 8,171.19

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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.