Home / 21,388.30-32,084.26-7,883.16

Finding the Fourth Proportional to 21,388.30, 32,084.26 and 7,883.16

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Solution

The fourth proportional to 21,388.30, 32,084.26 and 7,883.16 is: 11,825.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,388.30 : 32,084.26 = 7,883.16 : x
  2. Step 2: Convert to fraction form
    21,388.30/32,084.26 = 7,883.16/x
  3. Step 3: Cross multiply
    21,388.30x = 32,084.26 × 7,883.16
  4. Step 4: Simplify right side
    21,388.30x = 252,925,355.06
  5. Step 5: Solve for x
    x = 252,925,355.06/21,388.30
  6. Step 6: Final answer
    x = 11,825.41

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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.