Home / 20,246.41-27,938.77-11,294.49

Finding the Fourth Proportional to 20,246.41, 27,938.77 and 11,294.49

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Solution

The fourth proportional to 20,246.41, 27,938.77 and 11,294.49 is: 15,585.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246.41 : 27,938.77 = 11,294.49 : x
  2. Step 2: Convert to fraction form
    20,246.41/27,938.77 = 11,294.49/x
  3. Step 3: Cross multiply
    20,246.41x = 27,938.77 × 11,294.49
  4. Step 4: Simplify right side
    20,246.41x = 315,554,158.38
  5. Step 5: Solve for x
    x = 315,554,158.38/20,246.41
  6. Step 6: Final answer
    x = 15,585.68

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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.