Home / 17,387.92-26,081.52-4,240.36

Finding the Fourth Proportional to 17,387.92, 26,081.52 and 4,240.36

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Solution

The fourth proportional to 17,387.92, 26,081.52 and 4,240.36 is: 6,360.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,387.92 : 26,081.52 = 4,240.36 : x
  2. Step 2: Convert to fraction form
    17,387.92/26,081.52 = 4,240.36/x
  3. Step 3: Cross multiply
    17,387.92x = 26,081.52 × 4,240.36
  4. Step 4: Simplify right side
    17,387.92x = 110,595,034.15
  5. Step 5: Solve for x
    x = 110,595,034.15/17,387.92
  6. Step 6: Final answer
    x = 6,360.45

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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.