Home / 18,727.10-25,836.67-12,015.74

Finding the Fourth Proportional to 18,727.10, 25,836.67 and 12,015.74

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Solution

The fourth proportional to 18,727.10, 25,836.67 and 12,015.74 is: 16,577.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727.10 : 25,836.67 = 12,015.74 : x
  2. Step 2: Convert to fraction form
    18,727.10/25,836.67 = 12,015.74/x
  3. Step 3: Cross multiply
    18,727.10x = 25,836.67 × 12,015.74
  4. Step 4: Simplify right side
    18,727.10x = 310,446,788.80
  5. Step 5: Solve for x
    x = 310,446,788.80/18,727.10
  6. Step 6: Final answer
    x = 16,577.41

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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.