Home / 11,721.63-17,600.31-10,240.05

Finding the Fourth Proportional to 11,721.63, 17,600.31 and 10,240.05

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Solution

The fourth proportional to 11,721.63, 17,600.31 and 10,240.05 is: 15,375.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,721.63 : 17,600.31 = 10,240.05 : x
  2. Step 2: Convert to fraction form
    11,721.63/17,600.31 = 10,240.05/x
  3. Step 3: Cross multiply
    11,721.63x = 17,600.31 × 10,240.05
  4. Step 4: Simplify right side
    11,721.63x = 180,228,054.42
  5. Step 5: Solve for x
    x = 180,228,054.42/11,721.63
  6. Step 6: Final answer
    x = 15,375.68

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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.