Home / 19,619.03-27,074.19-11,122.79

Finding the Fourth Proportional to 19,619.03, 27,074.19 and 11,122.79

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Solution

The fourth proportional to 19,619.03, 27,074.19 and 11,122.79 is: 15,349.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.03 : 27,074.19 = 11,122.79 : x
  2. Step 2: Convert to fraction form
    19,619.03/27,074.19 = 11,122.79/x
  3. Step 3: Cross multiply
    19,619.03x = 27,074.19 × 11,122.79
  4. Step 4: Simplify right side
    19,619.03x = 301,140,394.42
  5. Step 5: Solve for x
    x = 301,140,394.42/19,619.03
  6. Step 6: Final answer
    x = 15,349.41

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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.