Home / 11,182.80-16,755.72-7,888.92

Finding the Fourth Proportional to 11,182.80, 16,755.72 and 7,888.92

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Solution

The fourth proportional to 11,182.80, 16,755.72 and 7,888.92 is: 11,820.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.80 : 16,755.72 = 7,888.92 : x
  2. Step 2: Convert to fraction form
    11,182.80/16,755.72 = 7,888.92/x
  3. Step 3: Cross multiply
    11,182.80x = 16,755.72 × 7,888.92
  4. Step 4: Simplify right side
    11,182.80x = 132,184,534.62
  5. Step 5: Solve for x
    x = 132,184,534.62/11,182.80
  6. Step 6: Final answer
    x = 11,820.34

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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.