Home / 14,295.39-21,447.50-6,404.55

Finding the Fourth Proportional to 14,295.39, 21,447.50 and 6,404.55

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Solution

The fourth proportional to 14,295.39, 21,447.50 and 6,404.55 is: 9,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,295.39 : 21,447.50 = 6,404.55 : x
  2. Step 2: Convert to fraction form
    14,295.39/21,447.50 = 6,404.55/x
  3. Step 3: Cross multiply
    14,295.39x = 21,447.50 × 6,404.55
  4. Step 4: Simplify right side
    14,295.39x = 137,361,586.13
  5. Step 5: Solve for x
    x = 137,361,586.13/14,295.39
  6. Step 6: Final answer
    x = 9,608.80

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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.