Home / 20,214.33-27,895.81-11,262.15

Finding the Fourth Proportional to 20,214.33, 27,895.81 and 11,262.15

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Solution

The fourth proportional to 20,214.33, 27,895.81 and 11,262.15 is: 15,541.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,214.33 : 27,895.81 = 11,262.15 : x
  2. Step 2: Convert to fraction form
    20,214.33/27,895.81 = 11,262.15/x
  3. Step 3: Cross multiply
    20,214.33x = 27,895.81 × 11,262.15
  4. Step 4: Simplify right side
    20,214.33x = 314,166,663.58
  5. Step 5: Solve for x
    x = 314,166,663.58/20,214.33
  6. Step 6: Final answer
    x = 15,541.78

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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.