Home / 14,372.06-21,555.63-3,981.38

Finding the Fourth Proportional to 14,372.06, 21,555.63 and 3,981.38

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Solution

The fourth proportional to 14,372.06, 21,555.63 and 3,981.38 is: 5,971.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,372.06 : 21,555.63 = 3,981.38 : x
  2. Step 2: Convert to fraction form
    14,372.06/21,555.63 = 3,981.38/x
  3. Step 3: Cross multiply
    14,372.06x = 21,555.63 × 3,981.38
  4. Step 4: Simplify right side
    14,372.06x = 85,821,046.39
  5. Step 5: Solve for x
    x = 85,821,046.39/14,372.06
  6. Step 6: Final answer
    x = 5,971.38

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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.