Home / 18,787.82-25,925.42-11,232.65

Finding the Fourth Proportional to 18,787.82, 25,925.42 and 11,232.65

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Solution

The fourth proportional to 18,787.82, 25,925.42 and 11,232.65 is: 15,500.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,787.82 : 25,925.42 = 11,232.65 : x
  2. Step 2: Convert to fraction form
    18,787.82/25,925.42 = 11,232.65/x
  3. Step 3: Cross multiply
    18,787.82x = 25,925.42 × 11,232.65
  4. Step 4: Simplify right side
    18,787.82x = 291,211,261.86
  5. Step 5: Solve for x
    x = 291,211,261.86/18,787.82
  6. Step 6: Final answer
    x = 15,500.01

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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.