Home / 18,736.70-25,856.80-12,022.46

Finding the Fourth Proportional to 18,736.70, 25,856.80 and 12,022.46

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Solution

The fourth proportional to 18,736.70, 25,856.80 and 12,022.46 is: 16,591.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.70 : 25,856.80 = 12,022.46 : x
  2. Step 2: Convert to fraction form
    18,736.70/25,856.80 = 12,022.46/x
  3. Step 3: Cross multiply
    18,736.70x = 25,856.80 × 12,022.46
  4. Step 4: Simplify right side
    18,736.70x = 310,862,184.39
  5. Step 5: Solve for x
    x = 310,862,184.39/18,736.70
  6. Step 6: Final answer
    x = 16,591.08

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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.