Home / 22,081.36-33,117-13,318.72

Finding the Fourth Proportional to 22,081.36, 33,117 and 13,318.72

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Solution

The fourth proportional to 22,081.36, 33,117 and 13,318.72 is: 19,975.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,081.36 : 33,117 = 13,318.72 : x
  2. Step 2: Convert to fraction form
    22,081.36/33,117 = 13,318.72/x
  3. Step 3: Cross multiply
    22,081.36x = 33,117 × 13,318.72
  4. Step 4: Simplify right side
    22,081.36x = 441,076,050.24
  5. Step 5: Solve for x
    x = 441,076,050.24/22,081.36
  6. Step 6: Final answer
    x = 19,975.04

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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.