Home / 21,399.53-32,086.95-6,604.49

Finding the Fourth Proportional to 21,399.53, 32,086.95 and 6,604.49

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Solution

The fourth proportional to 21,399.53, 32,086.95 and 6,604.49 is: 9,902.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,399.53 : 32,086.95 = 6,604.49 : x
  2. Step 2: Convert to fraction form
    21,399.53/32,086.95 = 6,604.49/x
  3. Step 3: Cross multiply
    21,399.53x = 32,086.95 × 6,604.49
  4. Step 4: Simplify right side
    21,399.53x = 211,917,940.41
  5. Step 5: Solve for x
    x = 211,917,940.41/21,399.53
  6. Step 6: Final answer
    x = 9,902.92

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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.