Home / 15,914.48-21,961.33-8,841.35

Finding the Fourth Proportional to 15,914.48, 21,961.33 and 8,841.35

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Solution

The fourth proportional to 15,914.48, 21,961.33 and 8,841.35 is: 12,200.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,914.48 : 21,961.33 = 8,841.35 : x
  2. Step 2: Convert to fraction form
    15,914.48/21,961.33 = 8,841.35/x
  3. Step 3: Cross multiply
    15,914.48x = 21,961.33 × 8,841.35
  4. Step 4: Simplify right side
    15,914.48x = 194,167,837.80
  5. Step 5: Solve for x
    x = 194,167,837.80/15,914.48
  6. Step 6: Final answer
    x = 12,200.71

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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.