Home / 17,716.99-26,575.55-7,187.20

Finding the Fourth Proportional to 17,716.99, 26,575.55 and 7,187.20

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Solution

The fourth proportional to 17,716.99, 26,575.55 and 7,187.20 is: 10,780.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,716.99 : 26,575.55 = 7,187.20 : x
  2. Step 2: Convert to fraction form
    17,716.99/26,575.55 = 7,187.20/x
  3. Step 3: Cross multiply
    17,716.99x = 26,575.55 × 7,187.20
  4. Step 4: Simplify right side
    17,716.99x = 191,003,792.96
  5. Step 5: Solve for x
    x = 191,003,792.96/17,716.99
  6. Step 6: Final answer
    x = 10,780.83

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Double scale
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Similar ratio
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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.