Home / 11,040.40-15,232.32-6,787.04

Finding the Fourth Proportional to 11,040.40, 15,232.32 and 6,787.04

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Solution

The fourth proportional to 11,040.40, 15,232.32 and 6,787.04 is: 9,364.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040.40 : 15,232.32 = 6,787.04 : x
  2. Step 2: Convert to fraction form
    11,040.40/15,232.32 = 6,787.04/x
  3. Step 3: Cross multiply
    11,040.40x = 15,232.32 × 6,787.04
  4. Step 4: Simplify right side
    11,040.40x = 103,382,365.13
  5. Step 5: Solve for x
    x = 103,382,365.13/11,040.40
  6. Step 6: Final answer
    x = 9,364.01

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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.