Home / 11,439.44-15,787.16-6,659.52

Finding the Fourth Proportional to 11,439.44, 15,787.16 and 6,659.52

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Solution

The fourth proportional to 11,439.44, 15,787.16 and 6,659.52 is: 9,190.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,439.44 : 15,787.16 = 6,659.52 : x
  2. Step 2: Convert to fraction form
    11,439.44/15,787.16 = 6,659.52/x
  3. Step 3: Cross multiply
    11,439.44x = 15,787.16 × 6,659.52
  4. Step 4: Simplify right side
    11,439.44x = 105,134,907.76
  5. Step 5: Solve for x
    x = 105,134,907.76/11,439.44
  6. Step 6: Final answer
    x = 9,190.56

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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.