Home / 15,213.48-22,820.82-12,269.33

Finding the Fourth Proportional to 15,213.48, 22,820.82 and 12,269.33

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Solution

The fourth proportional to 15,213.48, 22,820.82 and 12,269.33 is: 18,404.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,213.48 : 22,820.82 = 12,269.33 : x
  2. Step 2: Convert to fraction form
    15,213.48/22,820.82 = 12,269.33/x
  3. Step 3: Cross multiply
    15,213.48x = 22,820.82 × 12,269.33
  4. Step 4: Simplify right side
    15,213.48x = 279,996,171.45
  5. Step 5: Solve for x
    x = 279,996,171.45/15,213.48
  6. Step 6: Final answer
    x = 18,404.48

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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.