Home / 9,872.28-13,610.43-6,329.34

Finding the Fourth Proportional to 9,872.28, 13,610.43 and 6,329.34

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Solution

The fourth proportional to 9,872.28, 13,610.43 and 6,329.34 is: 8,725.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,872.28 : 13,610.43 = 6,329.34 : x
  2. Step 2: Convert to fraction form
    9,872.28/13,610.43 = 6,329.34/x
  3. Step 3: Cross multiply
    9,872.28x = 13,610.43 × 6,329.34
  4. Step 4: Simplify right side
    9,872.28x = 86,145,039.02
  5. Step 5: Solve for x
    x = 86,145,039.02/9,872.28
  6. Step 6: Final answer
    x = 8,725.95

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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.