Home / 21,402.48-32,099.76-6,608.64

Finding the Fourth Proportional to 21,402.48, 32,099.76 and 6,608.64

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Solution

The fourth proportional to 21,402.48, 32,099.76 and 6,608.64 is: 9,911.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,402.48 : 32,099.76 = 6,608.64 : x
  2. Step 2: Convert to fraction form
    21,402.48/32,099.76 = 6,608.64/x
  3. Step 3: Cross multiply
    21,402.48x = 32,099.76 × 6,608.64
  4. Step 4: Simplify right side
    21,402.48x = 212,135,757.93
  5. Step 5: Solve for x
    x = 212,135,757.93/21,402.48
  6. Step 6: Final answer
    x = 9,911.74

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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.