Home / 21,330.33-32,000.16-6,540.40

Finding the Fourth Proportional to 21,330.33, 32,000.16 and 6,540.40

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Solution

The fourth proportional to 21,330.33, 32,000.16 and 6,540.40 is: 9,812.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,330.33 : 32,000.16 = 6,540.40 : x
  2. Step 2: Convert to fraction form
    21,330.33/32,000.16 = 6,540.40/x
  3. Step 3: Cross multiply
    21,330.33x = 32,000.16 × 6,540.40
  4. Step 4: Simplify right side
    21,330.33x = 209,293,910.99
  5. Step 5: Solve for x
    x = 209,293,910.99/21,330.33
  6. Step 6: Final answer
    x = 9,812.03

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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.