Home / 11,441.17-15,789.08-6,405.26

Finding the Fourth Proportional to 11,441.17, 15,789.08 and 6,405.26

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Solution

The fourth proportional to 11,441.17, 15,789.08 and 6,405.26 is: 8,839.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,441.17 : 15,789.08 = 6,405.26 : x
  2. Step 2: Convert to fraction form
    11,441.17/15,789.08 = 6,405.26/x
  3. Step 3: Cross multiply
    11,441.17x = 15,789.08 × 6,405.26
  4. Step 4: Simplify right side
    11,441.17x = 101,133,162.56
  5. Step 5: Solve for x
    x = 101,133,162.56/11,441.17
  6. Step 6: Final answer
    x = 8,839.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.