Home / 19,932.40-29,887.80-8,246.80

Finding the Fourth Proportional to 19,932.40, 29,887.80 and 8,246.80

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Solution

The fourth proportional to 19,932.40, 29,887.80 and 8,246.80 is: 12,365.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932.40 : 29,887.80 = 8,246.80 : x
  2. Step 2: Convert to fraction form
    19,932.40/29,887.80 = 8,246.80/x
  3. Step 3: Cross multiply
    19,932.40x = 29,887.80 × 8,246.80
  4. Step 4: Simplify right side
    19,932.40x = 246,478,709.04
  5. Step 5: Solve for x
    x = 246,478,709.04/19,932.40
  6. Step 6: Final answer
    x = 12,365.73

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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.