Home / 10,789.12-16,195.20-4,637.44

Finding the Fourth Proportional to 10,789.12, 16,195.20 and 4,637.44

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Solution

The fourth proportional to 10,789.12, 16,195.20 and 4,637.44 is: 6,961.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,789.12 : 16,195.20 = 4,637.44 : x
  2. Step 2: Convert to fraction form
    10,789.12/16,195.20 = 4,637.44/x
  3. Step 3: Cross multiply
    10,789.12x = 16,195.20 × 4,637.44
  4. Step 4: Simplify right side
    10,789.12x = 75,104,268.29
  5. Step 5: Solve for x
    x = 75,104,268.29/10,789.12
  6. Step 6: Final answer
    x = 6,961.11

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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.