Home / 19,617.39-27,074.48-11,120.89

Finding the Fourth Proportional to 19,617.39, 27,074.48 and 11,120.89

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Solution

The fourth proportional to 19,617.39, 27,074.48 and 11,120.89 is: 15,348.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.39 : 27,074.48 = 11,120.89 : x
  2. Step 2: Convert to fraction form
    19,617.39/27,074.48 = 11,120.89/x
  3. Step 3: Cross multiply
    19,617.39x = 27,074.48 × 11,120.89
  4. Step 4: Simplify right side
    19,617.39x = 301,092,341.69
  5. Step 5: Solve for x
    x = 301,092,341.69/19,617.39
  6. Step 6: Final answer
    x = 15,348.24

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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.