Home / 22,043.66-30,423.04-13,661.42

Finding the Fourth Proportional to 22,043.66, 30,423.04 and 13,661.42

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Solution

The fourth proportional to 22,043.66, 30,423.04 and 13,661.42 is: 18,854.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,043.66 : 30,423.04 = 13,661.42 : x
  2. Step 2: Convert to fraction form
    22,043.66/30,423.04 = 13,661.42/x
  3. Step 3: Cross multiply
    22,043.66x = 30,423.04 × 13,661.42
  4. Step 4: Simplify right side
    22,043.66x = 415,621,927.12
  5. Step 5: Solve for x
    x = 415,621,927.12/22,043.66
  6. Step 6: Final answer
    x = 18,854.49

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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.