Home / 18,095.77-27,174.48-11,781.40

Finding the Fourth Proportional to 18,095.77, 27,174.48 and 11,781.40

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Solution

The fourth proportional to 18,095.77, 27,174.48 and 11,781.40 is: 17,692.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,095.77 : 27,174.48 = 11,781.40 : x
  2. Step 2: Convert to fraction form
    18,095.77/27,174.48 = 11,781.40/x
  3. Step 3: Cross multiply
    18,095.77x = 27,174.48 × 11,781.40
  4. Step 4: Simplify right side
    18,095.77x = 320,153,418.67
  5. Step 5: Solve for x
    x = 320,153,418.67/18,095.77
  6. Step 6: Final answer
    x = 17,692.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.