Home / 10,787.39-16,181.07-3,392.50

Finding the Fourth Proportional to 10,787.39, 16,181.07 and 3,392.50

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Solution

The fourth proportional to 10,787.39, 16,181.07 and 3,392.50 is: 5,088.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.39 : 16,181.07 = 3,392.50 : x
  2. Step 2: Convert to fraction form
    10,787.39/16,181.07 = 3,392.50/x
  3. Step 3: Cross multiply
    10,787.39x = 16,181.07 × 3,392.50
  4. Step 4: Simplify right side
    10,787.39x = 54,894,279.98
  5. Step 5: Solve for x
    x = 54,894,279.98/10,787.39
  6. Step 6: Final answer
    x = 5,088.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.