Home / 11,556.28-15,947.56-9,040.96

Finding the Fourth Proportional to 11,556.28, 15,947.56 and 9,040.96

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Solution

The fourth proportional to 11,556.28, 15,947.56 and 9,040.96 is: 12,476.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,556.28 : 15,947.56 = 9,040.96 : x
  2. Step 2: Convert to fraction form
    11,556.28/15,947.56 = 9,040.96/x
  3. Step 3: Cross multiply
    11,556.28x = 15,947.56 × 9,040.96
  4. Step 4: Simplify right side
    11,556.28x = 144,181,252.06
  5. Step 5: Solve for x
    x = 144,181,252.06/11,556.28
  6. Step 6: Final answer
    x = 12,476.44

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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.