Home / 14,535.30-21,811.14-8,291.43

Finding the Fourth Proportional to 14,535.30, 21,811.14 and 8,291.43

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Solution

The fourth proportional to 14,535.30, 21,811.14 and 8,291.43 is: 12,441.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,535.30 : 21,811.14 = 8,291.43 : x
  2. Step 2: Convert to fraction form
    14,535.30/21,811.14 = 8,291.43/x
  3. Step 3: Cross multiply
    14,535.30x = 21,811.14 × 8,291.43
  4. Step 4: Simplify right side
    14,535.30x = 180,845,540.53
  5. Step 5: Solve for x
    x = 180,845,540.53/14,535.30
  6. Step 6: Final answer
    x = 12,441.82

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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.