Home / 17,212.40-25,818.64-5,525.76

Finding the Fourth Proportional to 17,212.40, 25,818.64 and 5,525.76

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Solution

The fourth proportional to 17,212.40, 25,818.64 and 5,525.76 is: 8,288.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,212.40 : 25,818.64 = 5,525.76 : x
  2. Step 2: Convert to fraction form
    17,212.40/25,818.64 = 5,525.76/x
  3. Step 3: Cross multiply
    17,212.40x = 25,818.64 × 5,525.76
  4. Step 4: Simplify right side
    17,212.40x = 142,667,608.17
  5. Step 5: Solve for x
    x = 142,667,608.17/17,212.40
  6. Step 6: Final answer
    x = 8,288.65

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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.