Home / 11,001.54-15,182.20-5,965.84

Finding the Fourth Proportional to 11,001.54, 15,182.20 and 5,965.84

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Solution

The fourth proportional to 11,001.54, 15,182.20 and 5,965.84 is: 8,232.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001.54 : 15,182.20 = 5,965.84 : x
  2. Step 2: Convert to fraction form
    11,001.54/15,182.20 = 5,965.84/x
  3. Step 3: Cross multiply
    11,001.54x = 15,182.20 × 5,965.84
  4. Step 4: Simplify right side
    11,001.54x = 90,574,576.05
  5. Step 5: Solve for x
    x = 90,574,576.05/11,001.54
  6. Step 6: Final answer
    x = 8,232.90

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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.