Home / 19,942.54-27,520.98-11,445.34

Finding the Fourth Proportional to 19,942.54, 27,520.98 and 11,445.34

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Solution

The fourth proportional to 19,942.54, 27,520.98 and 11,445.34 is: 15,794.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.54 : 27,520.98 = 11,445.34 : x
  2. Step 2: Convert to fraction form
    19,942.54/27,520.98 = 11,445.34/x
  3. Step 3: Cross multiply
    19,942.54x = 27,520.98 × 11,445.34
  4. Step 4: Simplify right side
    19,942.54x = 314,986,973.23
  5. Step 5: Solve for x
    x = 314,986,973.23/19,942.54
  6. Step 6: Final answer
    x = 15,794.73

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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.