Home / 10,818.40-16,227.60-5,634.40

Finding the Fourth Proportional to 10,818.40, 16,227.60 and 5,634.40

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Solution

The fourth proportional to 10,818.40, 16,227.60 and 5,634.40 is: 8,451.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818.40 : 16,227.60 = 5,634.40 : x
  2. Step 2: Convert to fraction form
    10,818.40/16,227.60 = 5,634.40/x
  3. Step 3: Cross multiply
    10,818.40x = 16,227.60 × 5,634.40
  4. Step 4: Simplify right side
    10,818.40x = 91,432,789.44
  5. Step 5: Solve for x
    x = 91,432,789.44/10,818.40
  6. Step 6: Final answer
    x = 8,451.60

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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.