Home / 16,344.21-22,516.14-15,363.15

Finding the Fourth Proportional to 16,344.21, 22,516.14 and 15,363.15

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Solution

The fourth proportional to 16,344.21, 22,516.14 and 15,363.15 is: 21,164.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,344.21 : 22,516.14 = 15,363.15 : x
  2. Step 2: Convert to fraction form
    16,344.21/22,516.14 = 15,363.15/x
  3. Step 3: Cross multiply
    16,344.21x = 22,516.14 × 15,363.15
  4. Step 4: Simplify right side
    16,344.21x = 345,918,836.24
  5. Step 5: Solve for x
    x = 345,918,836.24/16,344.21
  6. Step 6: Final answer
    x = 21,164.61

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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.