Home / 19,876.33-29,674.78-15,171.58

Finding the Fourth Proportional to 19,876.33, 29,674.78 and 15,171.58

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Solution

The fourth proportional to 19,876.33, 29,674.78 and 15,171.58 is: 22,650.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,876.33 : 29,674.78 = 15,171.58 : x
  2. Step 2: Convert to fraction form
    19,876.33/29,674.78 = 15,171.58/x
  3. Step 3: Cross multiply
    19,876.33x = 29,674.78 × 15,171.58
  4. Step 4: Simplify right side
    19,876.33x = 450,213,298.75
  5. Step 5: Solve for x
    x = 450,213,298.75/19,876.33
  6. Step 6: Final answer
    x = 22,650.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.