Home / 10,118.96-15,179.16-3,546.80

Finding the Fourth Proportional to 10,118.96, 15,179.16 and 3,546.80

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Solution

The fourth proportional to 10,118.96, 15,179.16 and 3,546.80 is: 5,320.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,118.96 : 15,179.16 = 3,546.80 : x
  2. Step 2: Convert to fraction form
    10,118.96/15,179.16 = 3,546.80/x
  3. Step 3: Cross multiply
    10,118.96x = 15,179.16 × 3,546.80
  4. Step 4: Simplify right side
    10,118.96x = 53,837,444.69
  5. Step 5: Solve for x
    x = 53,837,444.69/10,118.96
  6. Step 6: Final answer
    x = 5,320.45

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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.