Home / 14,405.45-21,609.99-4,543.29

Finding the Fourth Proportional to 14,405.45, 21,609.99 and 4,543.29

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Solution

The fourth proportional to 14,405.45, 21,609.99 and 4,543.29 is: 6,815.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,405.45 : 21,609.99 = 4,543.29 : x
  2. Step 2: Convert to fraction form
    14,405.45/21,609.99 = 4,543.29/x
  3. Step 3: Cross multiply
    14,405.45x = 21,609.99 × 4,543.29
  4. Step 4: Simplify right side
    14,405.45x = 98,180,451.47
  5. Step 5: Solve for x
    x = 98,180,451.47/14,405.45
  6. Step 6: Final answer
    x = 6,815.51

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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.