Home / 18,806.29-25,937.72-15,983

Finding the Fourth Proportional to 18,806.29, 25,937.72 and 15,983

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Solution

The fourth proportional to 18,806.29, 25,937.72 and 15,983 is: 22,043.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,806.29 : 25,937.72 = 15,983 : x
  2. Step 2: Convert to fraction form
    18,806.29/25,937.72 = 15,983/x
  3. Step 3: Cross multiply
    18,806.29x = 25,937.72 × 15,983
  4. Step 4: Simplify right side
    18,806.29x = 414,562,578.76
  5. Step 5: Solve for x
    x = 414,562,578.76/18,806.29
  6. Step 6: Final answer
    x = 22,043.83

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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.