Home / 21,480.44-32,207.34-6,685.16

Finding the Fourth Proportional to 21,480.44, 32,207.34 and 6,685.16

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Solution

The fourth proportional to 21,480.44, 32,207.34 and 6,685.16 is: 10,023.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,480.44 : 32,207.34 = 6,685.16 : x
  2. Step 2: Convert to fraction form
    21,480.44/32,207.34 = 6,685.16/x
  3. Step 3: Cross multiply
    21,480.44x = 32,207.34 × 6,685.16
  4. Step 4: Simplify right side
    21,480.44x = 215,311,221.07
  5. Step 5: Solve for x
    x = 215,311,221.07/21,480.44
  6. Step 6: Final answer
    x = 10,023.59

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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.