Home / 20,178.41-27,846.33-11,226.29

Finding the Fourth Proportional to 20,178.41, 27,846.33 and 11,226.29

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Solution

The fourth proportional to 20,178.41, 27,846.33 and 11,226.29 is: 15,492.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178.41 : 27,846.33 = 11,226.29 : x
  2. Step 2: Convert to fraction form
    20,178.41/27,846.33 = 11,226.29/x
  3. Step 3: Cross multiply
    20,178.41x = 27,846.33 × 11,226.29
  4. Step 4: Simplify right side
    20,178.41x = 312,610,836.78
  5. Step 5: Solve for x
    x = 312,610,836.78/20,178.41
  6. Step 6: Final answer
    x = 15,492.35

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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.