Home / 17,778.67-26,667.68-5,307.15

Finding the Fourth Proportional to 17,778.67, 26,667.68 and 5,307.15

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Solution

The fourth proportional to 17,778.67, 26,667.68 and 5,307.15 is: 7,960.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,778.67 : 26,667.68 = 5,307.15 : x
  2. Step 2: Convert to fraction form
    17,778.67/26,667.68 = 5,307.15/x
  3. Step 3: Cross multiply
    17,778.67x = 26,667.68 × 5,307.15
  4. Step 4: Simplify right side
    17,778.67x = 141,529,481.23
  5. Step 5: Solve for x
    x = 141,529,481.23/17,778.67
  6. Step 6: Final answer
    x = 7,960.63

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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.