Home / 10,787.98-16,156.44-6,880.54

Finding the Fourth Proportional to 10,787.98, 16,156.44 and 6,880.54

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Solution

The fourth proportional to 10,787.98, 16,156.44 and 6,880.54 is: 10,304.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.98 : 16,156.44 = 6,880.54 : x
  2. Step 2: Convert to fraction form
    10,787.98/16,156.44 = 6,880.54/x
  3. Step 3: Cross multiply
    10,787.98x = 16,156.44 × 6,880.54
  4. Step 4: Simplify right side
    10,787.98x = 111,165,031.68
  5. Step 5: Solve for x
    x = 111,165,031.68/10,787.98
  6. Step 6: Final answer
    x = 10,304.53

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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.