Home / 18,787.04-25,924.32-11,231.87

Finding the Fourth Proportional to 18,787.04, 25,924.32 and 11,231.87

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Solution

The fourth proportional to 18,787.04, 25,924.32 and 11,231.87 is: 15,498.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,787.04 : 25,924.32 = 11,231.87 : x
  2. Step 2: Convert to fraction form
    18,787.04/25,924.32 = 11,231.87/x
  3. Step 3: Cross multiply
    18,787.04x = 25,924.32 × 11,231.87
  4. Step 4: Simplify right side
    18,787.04x = 291,178,592.08
  5. Step 5: Solve for x
    x = 291,178,592.08/18,787.04
  6. Step 6: Final answer
    x = 15,498.91

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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.