Home / 21,553.63-32,325.75-6,760.60

Finding the Fourth Proportional to 21,553.63, 32,325.75 and 6,760.60

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Solution

The fourth proportional to 21,553.63, 32,325.75 and 6,760.60 is: 10,139.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,553.63 : 32,325.75 = 6,760.60 : x
  2. Step 2: Convert to fraction form
    21,553.63/32,325.75 = 6,760.60/x
  3. Step 3: Cross multiply
    21,553.63x = 32,325.75 × 6,760.60
  4. Step 4: Simplify right side
    21,553.63x = 218,541,384.64
  5. Step 5: Solve for x
    x = 218,541,384.64/21,553.63
  6. Step 6: Final answer
    x = 10,139.42

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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.