Home / 20,229.51-27,916.83-11,277.03

Finding the Fourth Proportional to 20,229.51, 27,916.83 and 11,277.03

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Solution

The fourth proportional to 20,229.51, 27,916.83 and 11,277.03 is: 15,562.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229.51 : 27,916.83 = 11,277.03 : x
  2. Step 2: Convert to fraction form
    20,229.51/27,916.83 = 11,277.03/x
  3. Step 3: Cross multiply
    20,229.51x = 27,916.83 × 11,277.03
  4. Step 4: Simplify right side
    20,229.51x = 314,818,929.41
  5. Step 5: Solve for x
    x = 314,818,929.41/20,229.51
  6. Step 6: Final answer
    x = 15,562.36

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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.