Home / 10,787.36-16,181.03-3,392.87

Finding the Fourth Proportional to 10,787.36, 16,181.03 and 3,392.87

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Solution

The fourth proportional to 10,787.36, 16,181.03 and 3,392.87 is: 5,089.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.36 : 16,181.03 = 3,392.87 : x
  2. Step 2: Convert to fraction form
    10,787.36/16,181.03 = 3,392.87/x
  3. Step 3: Cross multiply
    10,787.36x = 16,181.03 × 3,392.87
  4. Step 4: Simplify right side
    10,787.36x = 54,900,058.83
  5. Step 5: Solve for x
    x = 54,900,058.83/10,787.36
  6. Step 6: Final answer
    x = 5,089.30

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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.