Home / 11,444.40-15,787.44-6,724.08

Finding the Fourth Proportional to 11,444.40, 15,787.44 and 6,724.08

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Solution

The fourth proportional to 11,444.40, 15,787.44 and 6,724.08 is: 9,275.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,444.40 : 15,787.44 = 6,724.08 : x
  2. Step 2: Convert to fraction form
    11,444.40/15,787.44 = 6,724.08/x
  3. Step 3: Cross multiply
    11,444.40x = 15,787.44 × 6,724.08
  4. Step 4: Simplify right side
    11,444.40x = 106,156,009.56
  5. Step 5: Solve for x
    x = 106,156,009.56/11,444.40
  6. Step 6: Final answer
    x = 9,275.80

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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.