Home / 21,530.75-32,296.12-6,739.74

Finding the Fourth Proportional to 21,530.75, 32,296.12 and 6,739.74

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Solution

The fourth proportional to 21,530.75, 32,296.12 and 6,739.74 is: 10,109.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,530.75 : 32,296.12 = 6,739.74 : x
  2. Step 2: Convert to fraction form
    21,530.75/32,296.12 = 6,739.74/x
  3. Step 3: Cross multiply
    21,530.75x = 32,296.12 × 6,739.74
  4. Step 4: Simplify right side
    21,530.75x = 217,667,434.96
  5. Step 5: Solve for x
    x = 217,667,434.96/21,530.75
  6. Step 6: Final answer
    x = 10,109.61

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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.