Home / 10,787.76-14,887.92-6,072.48

Finding the Fourth Proportional to 10,787.76, 14,887.92 and 6,072.48

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Solution

The fourth proportional to 10,787.76, 14,887.92 and 6,072.48 is: 8,380.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.76 : 14,887.92 = 6,072.48 : x
  2. Step 2: Convert to fraction form
    10,787.76/14,887.92 = 6,072.48/x
  3. Step 3: Cross multiply
    10,787.76x = 14,887.92 × 6,072.48
  4. Step 4: Simplify right side
    10,787.76x = 90,406,596.44
  5. Step 5: Solve for x
    x = 90,406,596.44/10,787.76
  6. Step 6: Final answer
    x = 8,380.48

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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.