Home / 19,122.54-28,664.10-13,844.48

Finding the Fourth Proportional to 19,122.54, 28,664.10 and 13,844.48

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Solution

The fourth proportional to 19,122.54, 28,664.10 and 13,844.48 is: 20,752.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122.54 : 28,664.10 = 13,844.48 : x
  2. Step 2: Convert to fraction form
    19,122.54/28,664.10 = 13,844.48/x
  3. Step 3: Cross multiply
    19,122.54x = 28,664.10 × 13,844.48
  4. Step 4: Simplify right side
    19,122.54x = 396,839,559.17
  5. Step 5: Solve for x
    x = 396,839,559.17/19,122.54
  6. Step 6: Final answer
    x = 20,752.45

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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.