Home / 14,255.91-21,375.63-4,392.54

Finding the Fourth Proportional to 14,255.91, 21,375.63 and 4,392.54

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Solution

The fourth proportional to 14,255.91, 21,375.63 and 4,392.54 is: 6,586.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.91 : 21,375.63 = 4,392.54 : x
  2. Step 2: Convert to fraction form
    14,255.91/21,375.63 = 4,392.54/x
  3. Step 3: Cross multiply
    14,255.91x = 21,375.63 × 4,392.54
  4. Step 4: Simplify right side
    14,255.91x = 93,893,309.80
  5. Step 5: Solve for x
    x = 93,893,309.80/14,255.91
  6. Step 6: Final answer
    x = 6,586.27

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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.