Home / 17,640.37-26,460.92-8,275.21

Finding the Fourth Proportional to 17,640.37, 26,460.92 and 8,275.21

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Solution

The fourth proportional to 17,640.37, 26,460.92 and 8,275.21 is: 12,412.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,640.37 : 26,460.92 = 8,275.21 : x
  2. Step 2: Convert to fraction form
    17,640.37/26,460.92 = 8,275.21/x
  3. Step 3: Cross multiply
    17,640.37x = 26,460.92 × 8,275.21
  4. Step 4: Simplify right side
    17,640.37x = 218,969,669.79
  5. Step 5: Solve for x
    x = 218,969,669.79/17,640.37
  6. Step 6: Final answer
    x = 12,412.99

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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.