Home / 10,327.50-15,490.85-8,936.33

Finding the Fourth Proportional to 10,327.50, 15,490.85 and 8,936.33

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Solution

The fourth proportional to 10,327.50, 15,490.85 and 8,936.33 is: 13,404.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,327.50 : 15,490.85 = 8,936.33 : x
  2. Step 2: Convert to fraction form
    10,327.50/15,490.85 = 8,936.33/x
  3. Step 3: Cross multiply
    10,327.50x = 15,490.85 × 8,936.33
  4. Step 4: Simplify right side
    10,327.50x = 138,431,225.44
  5. Step 5: Solve for x
    x = 138,431,225.44/10,327.50
  6. Step 6: Final answer
    x = 13,404.14

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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.