Home / 15,344.37-21,161.39-10,029.96

Finding the Fourth Proportional to 15,344.37, 21,161.39 and 10,029.96

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Solution

The fourth proportional to 15,344.37, 21,161.39 and 10,029.96 is: 13,832.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,344.37 : 21,161.39 = 10,029.96 : x
  2. Step 2: Convert to fraction form
    15,344.37/21,161.39 = 10,029.96/x
  3. Step 3: Cross multiply
    15,344.37x = 21,161.39 × 10,029.96
  4. Step 4: Simplify right side
    15,344.37x = 212,247,845.09
  5. Step 5: Solve for x
    x = 212,247,845.09/15,344.37
  6. Step 6: Final answer
    x = 13,832.29

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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.