Home / 14,246.84-21,372.12-5,480.66

Finding the Fourth Proportional to 14,246.84, 21,372.12 and 5,480.66

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Solution

The fourth proportional to 14,246.84, 21,372.12 and 5,480.66 is: 8,221.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,246.84 : 21,372.12 = 5,480.66 : x
  2. Step 2: Convert to fraction form
    14,246.84/21,372.12 = 5,480.66/x
  3. Step 3: Cross multiply
    14,246.84x = 21,372.12 × 5,480.66
  4. Step 4: Simplify right side
    14,246.84x = 117,133,323.20
  5. Step 5: Solve for x
    x = 117,133,323.20/14,246.84
  6. Step 6: Final answer
    x = 8,221.71

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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.