Home / 10,872.24-15,004.26-6,156.96

Finding the Fourth Proportional to 10,872.24, 15,004.26 and 6,156.96

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Solution

The fourth proportional to 10,872.24, 15,004.26 and 6,156.96 is: 8,496.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872.24 : 15,004.26 = 6,156.96 : x
  2. Step 2: Convert to fraction form
    10,872.24/15,004.26 = 6,156.96/x
  3. Step 3: Cross multiply
    10,872.24x = 15,004.26 × 6,156.96
  4. Step 4: Simplify right side
    10,872.24x = 92,380,628.65
  5. Step 5: Solve for x
    x = 92,380,628.65/10,872.24
  6. Step 6: Final answer
    x = 8,496.93

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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.