Home / 11,264.80-15,544.56-6,787.48

Finding the Fourth Proportional to 11,264.80, 15,544.56 and 6,787.48

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Solution

The fourth proportional to 11,264.80, 15,544.56 and 6,787.48 is: 9,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,264.80 : 15,544.56 = 6,787.48 : x
  2. Step 2: Convert to fraction form
    11,264.80/15,544.56 = 6,787.48/x
  3. Step 3: Cross multiply
    11,264.80x = 15,544.56 × 6,787.48
  4. Step 4: Simplify right side
    11,264.80x = 105,508,390.11
  5. Step 5: Solve for x
    x = 105,508,390.11/11,264.80
  6. Step 6: Final answer
    x = 9,366.20

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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.