Home / 14,872.54-22,343.37-8,720.86

Finding the Fourth Proportional to 14,872.54, 22,343.37 and 8,720.86

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Solution

The fourth proportional to 14,872.54, 22,343.37 and 8,720.86 is: 13,101.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,872.54 : 22,343.37 = 8,720.86 : x
  2. Step 2: Convert to fraction form
    14,872.54/22,343.37 = 8,720.86/x
  3. Step 3: Cross multiply
    14,872.54x = 22,343.37 × 8,720.86
  4. Step 4: Simplify right side
    14,872.54x = 194,853,401.70
  5. Step 5: Solve for x
    x = 194,853,401.70/14,872.54
  6. Step 6: Final answer
    x = 13,101.56

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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.