Home / 17,378.78-26,068.22-4,231.13

Finding the Fourth Proportional to 17,378.78, 26,068.22 and 4,231.13

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Solution

The fourth proportional to 17,378.78, 26,068.22 and 4,231.13 is: 6,346.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,378.78 : 26,068.22 = 4,231.13 : x
  2. Step 2: Convert to fraction form
    17,378.78/26,068.22 = 4,231.13/x
  3. Step 3: Cross multiply
    17,378.78x = 26,068.22 × 4,231.13
  4. Step 4: Simplify right side
    17,378.78x = 110,298,027.69
  5. Step 5: Solve for x
    x = 110,298,027.69/17,378.78
  6. Step 6: Final answer
    x = 6,346.71

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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.