Home / 12,976.39-19,452.15-8,283.16

Finding the Fourth Proportional to 12,976.39, 19,452.15 and 8,283.16

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Solution

The fourth proportional to 12,976.39, 19,452.15 and 8,283.16 is: 12,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,976.39 : 19,452.15 = 8,283.16 : x
  2. Step 2: Convert to fraction form
    12,976.39/19,452.15 = 8,283.16/x
  3. Step 3: Cross multiply
    12,976.39x = 19,452.15 × 8,283.16
  4. Step 4: Simplify right side
    12,976.39x = 161,125,270.79
  5. Step 5: Solve for x
    x = 161,125,270.79/12,976.39
  6. Step 6: Final answer
    x = 12,416.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.