Home / 11,016.72-15,203.11-5,980.95

Finding the Fourth Proportional to 11,016.72, 15,203.11 and 5,980.95

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Solution

The fourth proportional to 11,016.72, 15,203.11 and 5,980.95 is: 8,253.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,016.72 : 15,203.11 = 5,980.95 : x
  2. Step 2: Convert to fraction form
    11,016.72/15,203.11 = 5,980.95/x
  3. Step 3: Cross multiply
    11,016.72x = 15,203.11 × 5,980.95
  4. Step 4: Simplify right side
    11,016.72x = 90,928,964.74
  5. Step 5: Solve for x
    x = 90,928,964.74/11,016.72
  6. Step 6: Final answer
    x = 8,253.73

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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.