Home / 21,480.22-32,204.12-14,086.54

Finding the Fourth Proportional to 21,480.22, 32,204.12 and 14,086.54

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Solution

The fourth proportional to 21,480.22, 32,204.12 and 14,086.54 is: 21,119.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,480.22 : 32,204.12 = 14,086.54 : x
  2. Step 2: Convert to fraction form
    21,480.22/32,204.12 = 14,086.54/x
  3. Step 3: Cross multiply
    21,480.22x = 32,204.12 × 14,086.54
  4. Step 4: Simplify right side
    21,480.22x = 453,644,393.09
  5. Step 5: Solve for x
    x = 453,644,393.09/21,480.22
  6. Step 6: Final answer
    x = 21,119.17

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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.