Home / 12,654.33-18,979.46-5,632.70

Finding the Fourth Proportional to 12,654.33, 18,979.46 and 5,632.70

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Solution

The fourth proportional to 12,654.33, 18,979.46 and 5,632.70 is: 8,448.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,654.33 : 18,979.46 = 5,632.70 : x
  2. Step 2: Convert to fraction form
    12,654.33/18,979.46 = 5,632.70/x
  3. Step 3: Cross multiply
    12,654.33x = 18,979.46 × 5,632.70
  4. Step 4: Simplify right side
    12,654.33x = 106,905,481.28
  5. Step 5: Solve for x
    x = 106,905,481.28/12,654.33
  6. Step 6: Final answer
    x = 8,448.13

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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.