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Finding the Fourth Proportional to 17,775.99, 26,663.98 and 5,295.69

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Solution

The fourth proportional to 17,775.99, 26,663.98 and 5,295.69 is: 7,943.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,775.99 : 26,663.98 = 5,295.69 : x
  2. Step 2: Convert to fraction form
    17,775.99/26,663.98 = 5,295.69/x
  3. Step 3: Cross multiply
    17,775.99x = 26,663.98 × 5,295.69
  4. Step 4: Simplify right side
    17,775.99x = 141,204,183.83
  5. Step 5: Solve for x
    x = 141,204,183.83/17,775.99
  6. Step 6: Final answer
    x = 7,943.54

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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.