Home / 21,330.36-32,000.20-6,540.36

Finding the Fourth Proportional to 21,330.36, 32,000.20 and 6,540.36

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Solution

The fourth proportional to 21,330.36, 32,000.20 and 6,540.36 is: 9,811.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,330.36 : 32,000.20 = 6,540.36 : x
  2. Step 2: Convert to fraction form
    21,330.36/32,000.20 = 6,540.36/x
  3. Step 3: Cross multiply
    21,330.36x = 32,000.20 × 6,540.36
  4. Step 4: Simplify right side
    21,330.36x = 209,292,828.07
  5. Step 5: Solve for x
    x = 209,292,828.07/21,330.36
  6. Step 6: Final answer
    x = 9,811.97

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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.