Home / 22,439.83-30,945.38-14,769.40

Finding the Fourth Proportional to 22,439.83, 30,945.38 and 14,769.40

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Solution

The fourth proportional to 22,439.83, 30,945.38 and 14,769.40 is: 20,367.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,439.83 : 30,945.38 = 14,769.40 : x
  2. Step 2: Convert to fraction form
    22,439.83/30,945.38 = 14,769.40/x
  3. Step 3: Cross multiply
    22,439.83x = 30,945.38 × 14,769.40
  4. Step 4: Simplify right side
    22,439.83x = 457,044,466.80
  5. Step 5: Solve for x
    x = 457,044,466.80/22,439.83
  6. Step 6: Final answer
    x = 20,367.56

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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.