Home / 15,190.36-22,785.72-5,329.90

Finding the Fourth Proportional to 15,190.36, 22,785.72 and 5,329.90

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Solution

The fourth proportional to 15,190.36, 22,785.72 and 5,329.90 is: 7,994.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,190.36 : 22,785.72 = 5,329.90 : x
  2. Step 2: Convert to fraction form
    15,190.36/22,785.72 = 5,329.90/x
  3. Step 3: Cross multiply
    15,190.36x = 22,785.72 × 5,329.90
  4. Step 4: Simplify right side
    15,190.36x = 121,445,609.03
  5. Step 5: Solve for x
    x = 121,445,609.03/15,190.36
  6. Step 6: Final answer
    x = 7,994.91

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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.