Home / 9,339.48-12,884.40-6,685.92

Finding the Fourth Proportional to 9,339.48, 12,884.40 and 6,685.92

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Solution

The fourth proportional to 9,339.48, 12,884.40 and 6,685.92 is: 9,223.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,339.48 : 12,884.40 = 6,685.92 : x
  2. Step 2: Convert to fraction form
    9,339.48/12,884.40 = 6,685.92/x
  3. Step 3: Cross multiply
    9,339.48x = 12,884.40 × 6,685.92
  4. Step 4: Simplify right side
    9,339.48x = 86,144,067.65
  5. Step 5: Solve for x
    x = 86,144,067.65/9,339.48
  6. Step 6: Final answer
    x = 9,223.65

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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.