Home / 15,350.30-21,183.20-8,635.93

Finding the Fourth Proportional to 15,350.30, 21,183.20 and 8,635.93

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Solution

The fourth proportional to 15,350.30, 21,183.20 and 8,635.93 is: 11,917.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,350.30 : 21,183.20 = 8,635.93 : x
  2. Step 2: Convert to fraction form
    15,350.30/21,183.20 = 8,635.93/x
  3. Step 3: Cross multiply
    15,350.30x = 21,183.20 × 8,635.93
  4. Step 4: Simplify right side
    15,350.30x = 182,936,632.38
  5. Step 5: Solve for x
    x = 182,936,632.38/15,350.30
  6. Step 6: Final answer
    x = 11,917.46

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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.