Home / 11,040.28-16,536.90-8,837.08

Finding the Fourth Proportional to 11,040.28, 16,536.90 and 8,837.08

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Solution

The fourth proportional to 11,040.28, 16,536.90 and 8,837.08 is: 13,236.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040.28 : 16,536.90 = 8,837.08 : x
  2. Step 2: Convert to fraction form
    11,040.28/16,536.90 = 8,837.08/x
  3. Step 3: Cross multiply
    11,040.28x = 16,536.90 × 8,837.08
  4. Step 4: Simplify right side
    11,040.28x = 146,137,908.25
  5. Step 5: Solve for x
    x = 146,137,908.25/11,040.28
  6. Step 6: Final answer
    x = 13,236.79

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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.