Home / 21,355.14-32,044.21-8,883.78

Finding the Fourth Proportional to 21,355.14, 32,044.21 and 8,883.78

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Solution

The fourth proportional to 21,355.14, 32,044.21 and 8,883.78 is: 13,330.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,355.14 : 32,044.21 = 8,883.78 : x
  2. Step 2: Convert to fraction form
    21,355.14/32,044.21 = 8,883.78/x
  3. Step 3: Cross multiply
    21,355.14x = 32,044.21 × 8,883.78
  4. Step 4: Simplify right side
    21,355.14x = 284,673,569.54
  5. Step 5: Solve for x
    x = 284,673,569.54/21,355.14
  6. Step 6: Final answer
    x = 13,330.45

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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.