Home / 13,892.39-20,832.97-5,125.35

Finding the Fourth Proportional to 13,892.39, 20,832.97 and 5,125.35

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Solution

The fourth proportional to 13,892.39, 20,832.97 and 5,125.35 is: 7,685.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892.39 : 20,832.97 = 5,125.35 : x
  2. Step 2: Convert to fraction form
    13,892.39/20,832.97 = 5,125.35/x
  3. Step 3: Cross multiply
    13,892.39x = 20,832.97 × 5,125.35
  4. Step 4: Simplify right side
    13,892.39x = 106,776,262.79
  5. Step 5: Solve for x
    x = 106,776,262.79/13,892.39
  6. Step 6: Final answer
    x = 7,685.95

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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.