Home / 14,939.20-22,408.80-14,283.10

Finding the Fourth Proportional to 14,939.20, 22,408.80 and 14,283.10

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Solution

The fourth proportional to 14,939.20, 22,408.80 and 14,283.10 is: 21,424.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,939.20 : 22,408.80 = 14,283.10 : x
  2. Step 2: Convert to fraction form
    14,939.20/22,408.80 = 14,283.10/x
  3. Step 3: Cross multiply
    14,939.20x = 22,408.80 × 14,283.10
  4. Step 4: Simplify right side
    14,939.20x = 320,067,131.28
  5. Step 5: Solve for x
    x = 320,067,131.28/14,939.20
  6. Step 6: Final answer
    x = 21,424.65

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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.