Home / 18,787.32-25,927.32-10,403.82

Finding the Fourth Proportional to 18,787.32, 25,927.32 and 10,403.82

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Solution

The fourth proportional to 18,787.32, 25,927.32 and 10,403.82 is: 14,357.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,787.32 : 25,927.32 = 10,403.82 : x
  2. Step 2: Convert to fraction form
    18,787.32/25,927.32 = 10,403.82/x
  3. Step 3: Cross multiply
    18,787.32x = 25,927.32 × 10,403.82
  4. Step 4: Simplify right side
    18,787.32x = 269,743,170.36
  5. Step 5: Solve for x
    x = 269,743,170.36/18,787.32
  6. Step 6: Final answer
    x = 14,357.72

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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.