Home / 14,165.76-21,248.62-6,747.72

Finding the Fourth Proportional to 14,165.76, 21,248.62 and 6,747.72

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Solution

The fourth proportional to 14,165.76, 21,248.62 and 6,747.72 is: 10,121.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,165.76 : 21,248.62 = 6,747.72 : x
  2. Step 2: Convert to fraction form
    14,165.76/21,248.62 = 6,747.72/x
  3. Step 3: Cross multiply
    14,165.76x = 21,248.62 × 6,747.72
  4. Step 4: Simplify right side
    14,165.76x = 143,379,738.15
  5. Step 5: Solve for x
    x = 143,379,738.15/14,165.76
  6. Step 6: Final answer
    x = 10,121.57

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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.