Home / 12,306.26-16,976.18-9,316.92

Finding the Fourth Proportional to 12,306.26, 16,976.18 and 9,316.92

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Solution

The fourth proportional to 12,306.26, 16,976.18 and 9,316.92 is: 12,852.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,306.26 : 16,976.18 = 9,316.92 : x
  2. Step 2: Convert to fraction form
    12,306.26/16,976.18 = 9,316.92/x
  3. Step 3: Cross multiply
    12,306.26x = 16,976.18 × 9,316.92
  4. Step 4: Simplify right side
    12,306.26x = 158,165,797.92
  5. Step 5: Solve for x
    x = 158,165,797.92/12,306.26
  6. Step 6: Final answer
    x = 12,852.46

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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.