Home / 14,265.43-21,400.19-4,405.55

Finding the Fourth Proportional to 14,265.43, 21,400.19 and 4,405.55

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Solution

The fourth proportional to 14,265.43, 21,400.19 and 4,405.55 is: 6,608.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.43 : 21,400.19 = 4,405.55 : x
  2. Step 2: Convert to fraction form
    14,265.43/21,400.19 = 4,405.55/x
  3. Step 3: Cross multiply
    14,265.43x = 21,400.19 × 4,405.55
  4. Step 4: Simplify right side
    14,265.43x = 94,279,607.05
  5. Step 5: Solve for x
    x = 94,279,607.05/14,265.43
  6. Step 6: Final answer
    x = 6,608.96

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1.5x scale

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.