Home / 19,765.62-27,277.20-11,267.59

Finding the Fourth Proportional to 19,765.62, 27,277.20 and 11,267.59

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Solution

The fourth proportional to 19,765.62, 27,277.20 and 11,267.59 is: 15,549.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,765.62 : 27,277.20 = 11,267.59 : x
  2. Step 2: Convert to fraction form
    19,765.62/27,277.20 = 11,267.59/x
  3. Step 3: Cross multiply
    19,765.62x = 27,277.20 × 11,267.59
  4. Step 4: Simplify right side
    19,765.62x = 307,348,186.61
  5. Step 5: Solve for x
    x = 307,348,186.61/19,765.62
  6. Step 6: Final answer
    x = 15,549.64

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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.