Home / 21,399.32-32,099.16-6,608.18

Finding the Fourth Proportional to 21,399.32, 32,099.16 and 6,608.18

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Solution

The fourth proportional to 21,399.32, 32,099.16 and 6,608.18 is: 9,912.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,399.32 : 32,099.16 = 6,608.18 : x
  2. Step 2: Convert to fraction form
    21,399.32/32,099.16 = 6,608.18/x
  3. Step 3: Cross multiply
    21,399.32x = 32,099.16 × 6,608.18
  4. Step 4: Simplify right side
    21,399.32x = 212,117,027.13
  5. Step 5: Solve for x
    x = 212,117,027.13/21,399.32
  6. Step 6: Final answer
    x = 9,912.33

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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.