Home / 14,954.40-22,399.20-8,020.80

Finding the Fourth Proportional to 14,954.40, 22,399.20 and 8,020.80

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Solution

The fourth proportional to 14,954.40, 22,399.20 and 8,020.80 is: 12,013.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,954.40 : 22,399.20 = 8,020.80 : x
  2. Step 2: Convert to fraction form
    14,954.40/22,399.20 = 8,020.80/x
  3. Step 3: Cross multiply
    14,954.40x = 22,399.20 × 8,020.80
  4. Step 4: Simplify right side
    14,954.40x = 179,659,503.36
  5. Step 5: Solve for x
    x = 179,659,503.36/14,954.40
  6. Step 6: Final answer
    x = 12,013.82

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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.