Home / 21,933.59-32,893.29-7,138.94

Finding the Fourth Proportional to 21,933.59, 32,893.29 and 7,138.94

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Solution

The fourth proportional to 21,933.59, 32,893.29 and 7,138.94 is: 10,706.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,933.59 : 32,893.29 = 7,138.94 : x
  2. Step 2: Convert to fraction form
    21,933.59/32,893.29 = 7,138.94/x
  3. Step 3: Cross multiply
    21,933.59x = 32,893.29 × 7,138.94
  4. Step 4: Simplify right side
    21,933.59x = 234,823,059.25
  5. Step 5: Solve for x
    x = 234,823,059.25/21,933.59
  6. Step 6: Final answer
    x = 10,706.10

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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.