Home / 19,621.41-27,070.92-11,122.62

Finding the Fourth Proportional to 19,621.41, 27,070.92 and 11,122.62

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Solution

The fourth proportional to 19,621.41, 27,070.92 and 11,122.62 is: 15,345.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.41 : 27,070.92 = 11,122.62 : x
  2. Step 2: Convert to fraction form
    19,621.41/27,070.92 = 11,122.62/x
  3. Step 3: Cross multiply
    19,621.41x = 27,070.92 × 11,122.62
  4. Step 4: Simplify right side
    19,621.41x = 301,099,556.21
  5. Step 5: Solve for x
    x = 301,099,556.21/19,621.41
  6. Step 6: Final answer
    x = 15,345.46

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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.