Home / 20,064.08-27,687.96-11,111.12

Finding the Fourth Proportional to 20,064.08, 27,687.96 and 11,111.12

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Solution

The fourth proportional to 20,064.08, 27,687.96 and 11,111.12 is: 15,333.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,064.08 : 27,687.96 = 11,111.12 : x
  2. Step 2: Convert to fraction form
    20,064.08/27,687.96 = 11,111.12/x
  3. Step 3: Cross multiply
    20,064.08x = 27,687.96 × 11,111.12
  4. Step 4: Simplify right side
    20,064.08x = 307,644,246.12
  5. Step 5: Solve for x
    x = 307,644,246.12/20,064.08
  6. Step 6: Final answer
    x = 15,333.09

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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.