Home / 14,403.04-21,604.53-5,631.80

Finding the Fourth Proportional to 14,403.04, 21,604.53 and 5,631.80

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Solution

The fourth proportional to 14,403.04, 21,604.53 and 5,631.80 is: 8,447.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,403.04 : 21,604.53 = 5,631.80 : x
  2. Step 2: Convert to fraction form
    14,403.04/21,604.53 = 5,631.80/x
  3. Step 3: Cross multiply
    14,403.04x = 21,604.53 × 5,631.80
  4. Step 4: Simplify right side
    14,403.04x = 121,672,350.97
  5. Step 5: Solve for x
    x = 121,672,350.97/14,403.04
  6. Step 6: Final answer
    x = 8,447.69

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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.