Home / 11,454.88-17,181.50-3,557.20

Finding the Fourth Proportional to 11,454.88, 17,181.50 and 3,557.20

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Solution

The fourth proportional to 11,454.88, 17,181.50 and 3,557.20 is: 5,335.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,454.88 : 17,181.50 = 3,557.20 : x
  2. Step 2: Convert to fraction form
    11,454.88/17,181.50 = 3,557.20/x
  3. Step 3: Cross multiply
    11,454.88x = 17,181.50 × 3,557.20
  4. Step 4: Simplify right side
    11,454.88x = 61,118,031.80
  5. Step 5: Solve for x
    x = 61,118,031.80/11,454.88
  6. Step 6: Final answer
    x = 5,335.55

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1.5x scale

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.