Home / 10,181.80-15,267.16-3,159.91

Finding the Fourth Proportional to 10,181.80, 15,267.16 and 3,159.91

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Solution

The fourth proportional to 10,181.80, 15,267.16 and 3,159.91 is: 4,738.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181.80 : 15,267.16 = 3,159.91 : x
  2. Step 2: Convert to fraction form
    10,181.80/15,267.16 = 3,159.91/x
  3. Step 3: Cross multiply
    10,181.80x = 15,267.16 × 3,159.91
  4. Step 4: Simplify right side
    10,181.80x = 48,242,851.56
  5. Step 5: Solve for x
    x = 48,242,851.56/10,181.80
  6. Step 6: Final answer
    x = 4,738.15

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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.