Home / 21,553.88-32,330.78-6,763.93

Finding the Fourth Proportional to 21,553.88, 32,330.78 and 6,763.93

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Solution

The fourth proportional to 21,553.88, 32,330.78 and 6,763.93 is: 10,145.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,553.88 : 32,330.78 = 6,763.93 : x
  2. Step 2: Convert to fraction form
    21,553.88/32,330.78 = 6,763.93/x
  3. Step 3: Cross multiply
    21,553.88x = 32,330.78 × 6,763.93
  4. Step 4: Simplify right side
    21,553.88x = 218,683,043.48
  5. Step 5: Solve for x
    x = 218,683,043.48/21,553.88
  6. Step 6: Final answer
    x = 10,145.88

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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.