Home / 14,297.81-21,454.88-11,169.02

Finding the Fourth Proportional to 14,297.81, 21,454.88 and 11,169.02

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Solution

The fourth proportional to 14,297.81, 21,454.88 and 11,169.02 is: 16,759.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,297.81 : 21,454.88 = 11,169.02 : x
  2. Step 2: Convert to fraction form
    14,297.81/21,454.88 = 11,169.02/x
  3. Step 3: Cross multiply
    14,297.81x = 21,454.88 × 11,169.02
  4. Step 4: Simplify right side
    14,297.81x = 239,629,981.61
  5. Step 5: Solve for x
    x = 239,629,981.61/14,297.81
  6. Step 6: Final answer
    x = 16,759.91

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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.