Home / 15,623.33-21,560.62-8,910.05

Finding the Fourth Proportional to 15,623.33, 21,560.62 and 8,910.05

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Solution

The fourth proportional to 15,623.33, 21,560.62 and 8,910.05 is: 12,296.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,623.33 : 21,560.62 = 8,910.05 : x
  2. Step 2: Convert to fraction form
    15,623.33/21,560.62 = 8,910.05/x
  3. Step 3: Cross multiply
    15,623.33x = 21,560.62 × 8,910.05
  4. Step 4: Simplify right side
    15,623.33x = 192,106,170.60
  5. Step 5: Solve for x
    x = 192,106,170.60/15,623.33
  6. Step 6: Final answer
    x = 12,296.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.