Home / 18,317.03-27,480.69-5,169.51

Finding the Fourth Proportional to 18,317.03, 27,480.69 and 5,169.51

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Solution

The fourth proportional to 18,317.03, 27,480.69 and 5,169.51 is: 7,755.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317.03 : 27,480.69 = 5,169.51 : x
  2. Step 2: Convert to fraction form
    18,317.03/27,480.69 = 5,169.51/x
  3. Step 3: Cross multiply
    18,317.03x = 27,480.69 × 5,169.51
  4. Step 4: Simplify right side
    18,317.03x = 142,061,701.76
  5. Step 5: Solve for x
    x = 142,061,701.76/18,317.03
  6. Step 6: Final answer
    x = 7,755.72

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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.