Home / 22,289.22-33,439.64-9,811.71

Finding the Fourth Proportional to 22,289.22, 33,439.64 and 9,811.71

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Solution

The fourth proportional to 22,289.22, 33,439.64 and 9,811.71 is: 14,720.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,289.22 : 33,439.64 = 9,811.71 : x
  2. Step 2: Convert to fraction form
    22,289.22/33,439.64 = 9,811.71/x
  3. Step 3: Cross multiply
    22,289.22x = 33,439.64 × 9,811.71
  4. Step 4: Simplify right side
    22,289.22x = 328,100,001.13
  5. Step 5: Solve for x
    x = 328,100,001.13/22,289.22
  6. Step 6: Final answer
    x = 14,720.12

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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.