Home / 9,939.42-13,718.70-6,757.92

Finding the Fourth Proportional to 9,939.42, 13,718.70 and 6,757.92

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Solution

The fourth proportional to 9,939.42, 13,718.70 and 6,757.92 is: 9,327.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.42 : 13,718.70 = 6,757.92 : x
  2. Step 2: Convert to fraction form
    9,939.42/13,718.70 = 6,757.92/x
  3. Step 3: Cross multiply
    9,939.42x = 13,718.70 × 6,757.92
  4. Step 4: Simplify right side
    9,939.42x = 92,709,877.10
  5. Step 5: Solve for x
    x = 92,709,877.10/9,939.42
  6. Step 6: Final answer
    x = 9,327.49

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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.