Home / 20,158.13-27,818.01-11,206.41

Finding the Fourth Proportional to 20,158.13, 27,818.01 and 11,206.41

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Solution

The fourth proportional to 20,158.13, 27,818.01 and 11,206.41 is: 15,464.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,158.13 : 27,818.01 = 11,206.41 : x
  2. Step 2: Convert to fraction form
    20,158.13/27,818.01 = 11,206.41/x
  3. Step 3: Cross multiply
    20,158.13x = 27,818.01 × 11,206.41
  4. Step 4: Simplify right side
    20,158.13x = 311,740,025.44
  5. Step 5: Solve for x
    x = 311,740,025.44/20,158.13
  6. Step 6: Final answer
    x = 15,464.73

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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.