Home / 9,872.72-13,617.96-5,890.76

Finding the Fourth Proportional to 9,872.72, 13,617.96 and 5,890.76

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Solution

The fourth proportional to 9,872.72, 13,617.96 and 5,890.76 is: 8,125.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,872.72 : 13,617.96 = 5,890.76 : x
  2. Step 2: Convert to fraction form
    9,872.72/13,617.96 = 5,890.76/x
  3. Step 3: Cross multiply
    9,872.72x = 13,617.96 × 5,890.76
  4. Step 4: Simplify right side
    9,872.72x = 80,220,134.05
  5. Step 5: Solve for x
    x = 80,220,134.05/9,872.72
  6. Step 6: Final answer
    x = 8,125.43

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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.