Home / 14,349.40-21,494.67-8,491.75

Finding the Fourth Proportional to 14,349.40, 21,494.67 and 8,491.75

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Solution

The fourth proportional to 14,349.40, 21,494.67 and 8,491.75 is: 12,720.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,349.40 : 21,494.67 = 8,491.75 : x
  2. Step 2: Convert to fraction form
    14,349.40/21,494.67 = 8,491.75/x
  3. Step 3: Cross multiply
    14,349.40x = 21,494.67 × 8,491.75
  4. Step 4: Simplify right side
    14,349.40x = 182,527,363.97
  5. Step 5: Solve for x
    x = 182,527,363.97/14,349.40
  6. Step 6: Final answer
    x = 12,720.21

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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.