Home / 11,150.78-16,726.20-4,577.06

Finding the Fourth Proportional to 11,150.78, 16,726.20 and 4,577.06

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Solution

The fourth proportional to 11,150.78, 16,726.20 and 4,577.06 is: 6,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.78 : 16,726.20 = 4,577.06 : x
  2. Step 2: Convert to fraction form
    11,150.78/16,726.20 = 4,577.06/x
  3. Step 3: Cross multiply
    11,150.78x = 16,726.20 × 4,577.06
  4. Step 4: Simplify right side
    11,150.78x = 76,556,820.97
  5. Step 5: Solve for x
    x = 76,556,820.97/11,150.78
  6. Step 6: Final answer
    x = 6,865.60

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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.