Home / 17,600.68-26,402.78-5,120.84

Finding the Fourth Proportional to 17,600.68, 26,402.78 and 5,120.84

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Solution

The fourth proportional to 17,600.68, 26,402.78 and 5,120.84 is: 7,681.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,600.68 : 26,402.78 = 5,120.84 : x
  2. Step 2: Convert to fraction form
    17,600.68/26,402.78 = 5,120.84/x
  3. Step 3: Cross multiply
    17,600.68x = 26,402.78 × 5,120.84
  4. Step 4: Simplify right side
    17,600.68x = 135,204,411.94
  5. Step 5: Solve for x
    x = 135,204,411.94/17,600.68
  6. Step 6: Final answer
    x = 7,681.77

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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.