Home / 9,929.12-13,694.59-6,744.87

Finding the Fourth Proportional to 9,929.12, 13,694.59 and 6,744.87

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Solution

The fourth proportional to 9,929.12, 13,694.59 and 6,744.87 is: 9,302.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,929.12 : 13,694.59 = 6,744.87 : x
  2. Step 2: Convert to fraction form
    9,929.12/13,694.59 = 6,744.87/x
  3. Step 3: Cross multiply
    9,929.12x = 13,694.59 × 6,744.87
  4. Step 4: Simplify right side
    9,929.12x = 92,368,160.78
  5. Step 5: Solve for x
    x = 92,368,160.78/9,929.12
  6. Step 6: Final answer
    x = 9,302.76

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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.