Home / 15,346.89-22,998.38-12,212.78

Finding the Fourth Proportional to 15,346.89, 22,998.38 and 12,212.78

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Solution

The fourth proportional to 15,346.89, 22,998.38 and 12,212.78 is: 18,301.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,346.89 : 22,998.38 = 12,212.78 : x
  2. Step 2: Convert to fraction form
    15,346.89/22,998.38 = 12,212.78/x
  3. Step 3: Cross multiply
    15,346.89x = 22,998.38 × 12,212.78
  4. Step 4: Simplify right side
    15,346.89x = 280,873,979.24
  5. Step 5: Solve for x
    x = 280,873,979.24/15,346.89
  6. Step 6: Final answer
    x = 18,301.69

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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.