Home / 20,214.23-27,896.81-11,261.43

Finding the Fourth Proportional to 20,214.23, 27,896.81 and 11,261.43

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Solution

The fourth proportional to 20,214.23, 27,896.81 and 11,261.43 is: 15,541.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,214.23 : 27,896.81 = 11,261.43 : x
  2. Step 2: Convert to fraction form
    20,214.23/27,896.81 = 11,261.43/x
  3. Step 3: Cross multiply
    20,214.23x = 27,896.81 × 11,261.43
  4. Step 4: Simplify right side
    20,214.23x = 314,157,916.73
  5. Step 5: Solve for x
    x = 314,157,916.73/20,214.23
  6. Step 6: Final answer
    x = 15,541.43

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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.