Home / 20,095.24-27,730.96-11,142.66

Finding the Fourth Proportional to 20,095.24, 27,730.96 and 11,142.66

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Solution

The fourth proportional to 20,095.24, 27,730.96 and 11,142.66 is: 15,376.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,095.24 : 27,730.96 = 11,142.66 : x
  2. Step 2: Convert to fraction form
    20,095.24/27,730.96 = 11,142.66/x
  3. Step 3: Cross multiply
    20,095.24x = 27,730.96 × 11,142.66
  4. Step 4: Simplify right side
    20,095.24x = 308,996,658.75
  5. Step 5: Solve for x
    x = 308,996,658.75/20,095.24
  6. Step 6: Final answer
    x = 15,376.61

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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.