Home / 24,395.78-33,666.18-13,217.78

Finding the Fourth Proportional to 24,395.78, 33,666.18 and 13,217.78

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Solution

The fourth proportional to 24,395.78, 33,666.18 and 13,217.78 is: 18,240.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,395.78 : 33,666.18 = 13,217.78 : x
  2. Step 2: Convert to fraction form
    24,395.78/33,666.18 = 13,217.78/x
  3. Step 3: Cross multiply
    24,395.78x = 33,666.18 × 13,217.78
  4. Step 4: Simplify right side
    24,395.78x = 444,992,160.68
  5. Step 5: Solve for x
    x = 444,992,160.68/24,395.78
  6. Step 6: Final answer
    x = 18,240.54

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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.