Home / 22,423.63-30,945.42-13,930.44

Finding the Fourth Proportional to 22,423.63, 30,945.42 and 13,930.44

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Solution

The fourth proportional to 22,423.63, 30,945.42 and 13,930.44 is: 19,224.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,423.63 : 30,945.42 = 13,930.44 : x
  2. Step 2: Convert to fraction form
    22,423.63/30,945.42 = 13,930.44/x
  3. Step 3: Cross multiply
    22,423.63x = 30,945.42 × 13,930.44
  4. Step 4: Simplify right side
    22,423.63x = 431,083,316.58
  5. Step 5: Solve for x
    x = 431,083,316.58/22,423.63
  6. Step 6: Final answer
    x = 19,224.51

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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.