Home / 11,334.80-15,649.80-8,677.52

Finding the Fourth Proportional to 11,334.80, 15,649.80 and 8,677.52

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Solution

The fourth proportional to 11,334.80, 15,649.80 and 8,677.52 is: 11,980.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,334.80 : 15,649.80 = 8,677.52 : x
  2. Step 2: Convert to fraction form
    11,334.80/15,649.80 = 8,677.52/x
  3. Step 3: Cross multiply
    11,334.80x = 15,649.80 × 8,677.52
  4. Step 4: Simplify right side
    11,334.80x = 135,801,452.50
  5. Step 5: Solve for x
    x = 135,801,452.50/11,334.80
  6. Step 6: Final answer
    x = 11,980.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.