Home / 21,388.62-32,073.74-7,350.06

Finding the Fourth Proportional to 21,388.62, 32,073.74 and 7,350.06

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Solution

The fourth proportional to 21,388.62, 32,073.74 and 7,350.06 is: 11,021.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,388.62 : 32,073.74 = 7,350.06 : x
  2. Step 2: Convert to fraction form
    21,388.62/32,073.74 = 7,350.06/x
  3. Step 3: Cross multiply
    21,388.62x = 32,073.74 × 7,350.06
  4. Step 4: Simplify right side
    21,388.62x = 235,743,844.10
  5. Step 5: Solve for x
    x = 235,743,844.10/21,388.62
  6. Step 6: Final answer
    x = 11,021.93

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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.