Home / 10,288.20-14,197.47-5,811.81

Finding the Fourth Proportional to 10,288.20, 14,197.47 and 5,811.81

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Solution

The fourth proportional to 10,288.20, 14,197.47 and 5,811.81 is: 8,020.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.20 : 14,197.47 = 5,811.81 : x
  2. Step 2: Convert to fraction form
    10,288.20/14,197.47 = 5,811.81/x
  3. Step 3: Cross multiply
    10,288.20x = 14,197.47 × 5,811.81
  4. Step 4: Simplify right side
    10,288.20x = 82,512,998.12
  5. Step 5: Solve for x
    x = 82,512,998.12/10,288.20
  6. Step 6: Final answer
    x = 8,020.16

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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.