Home / 14,423.27-21,641.38-7,839.59

Finding the Fourth Proportional to 14,423.27, 21,641.38 and 7,839.59

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Solution

The fourth proportional to 14,423.27, 21,641.38 and 7,839.59 is: 11,762.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,423.27 : 21,641.38 = 7,839.59 : x
  2. Step 2: Convert to fraction form
    14,423.27/21,641.38 = 7,839.59/x
  3. Step 3: Cross multiply
    14,423.27x = 21,641.38 × 7,839.59
  4. Step 4: Simplify right side
    14,423.27x = 169,659,418.43
  5. Step 5: Solve for x
    x = 169,659,418.43/14,423.27
  6. Step 6: Final answer
    x = 11,762.90

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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.