Home / 14,188.26-21,282.60-5,423.64

Finding the Fourth Proportional to 14,188.26, 21,282.60 and 5,423.64

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Solution

The fourth proportional to 14,188.26, 21,282.60 and 5,423.64 is: 8,135.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.26 : 21,282.60 = 5,423.64 : x
  2. Step 2: Convert to fraction form
    14,188.26/21,282.60 = 5,423.64/x
  3. Step 3: Cross multiply
    14,188.26x = 21,282.60 × 5,423.64
  4. Step 4: Simplify right side
    14,188.26x = 115,429,160.66
  5. Step 5: Solve for x
    x = 115,429,160.66/14,188.26
  6. Step 6: Final answer
    x = 8,135.54

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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.