Home / 22,155.51-33,155.19-13,839.44

Finding the Fourth Proportional to 22,155.51, 33,155.19 and 13,839.44

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Solution

The fourth proportional to 22,155.51, 33,155.19 and 13,839.44 is: 20,710.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,155.51 : 33,155.19 = 13,839.44 : x
  2. Step 2: Convert to fraction form
    22,155.51/33,155.19 = 13,839.44/x
  3. Step 3: Cross multiply
    22,155.51x = 33,155.19 × 13,839.44
  4. Step 4: Simplify right side
    22,155.51x = 458,849,262.69
  5. Step 5: Solve for x
    x = 458,849,262.69/22,155.51
  6. Step 6: Final answer
    x = 20,710.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.