Home / 20,088.73-30,146.71-8,244.64

Finding the Fourth Proportional to 20,088.73, 30,146.71 and 8,244.64

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Solution

The fourth proportional to 20,088.73, 30,146.71 and 8,244.64 is: 12,372.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,088.73 : 30,146.71 = 8,244.64 : x
  2. Step 2: Convert to fraction form
    20,088.73/30,146.71 = 8,244.64/x
  3. Step 3: Cross multiply
    20,088.73x = 30,146.71 × 8,244.64
  4. Step 4: Simplify right side
    20,088.73x = 248,548,771.13
  5. Step 5: Solve for x
    x = 248,548,771.13/20,088.73
  6. Step 6: Final answer
    x = 12,372.55

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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.