Home / 22,436-30,962.32-12,500.64

Finding the Fourth Proportional to 22,436, 30,962.32 and 12,500.64

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Solution

The fourth proportional to 22,436, 30,962.32 and 12,500.64 is: 17,251.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,436 : 30,962.32 = 12,500.64 : x
  2. Step 2: Convert to fraction form
    22,436/30,962.32 = 12,500.64/x
  3. Step 3: Cross multiply
    22,436x = 30,962.32 × 12,500.64
  4. Step 4: Simplify right side
    22,436x = 387,048,815.88
  5. Step 5: Solve for x
    x = 387,048,815.88/22,436
  6. Step 6: Final answer
    x = 17,251.24

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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.