Home / 15,164.64-22,746.80-3,919.92

Finding the Fourth Proportional to 15,164.64, 22,746.80 and 3,919.92

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Solution

The fourth proportional to 15,164.64, 22,746.80 and 3,919.92 is: 5,879.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,164.64 : 22,746.80 = 3,919.92 : x
  2. Step 2: Convert to fraction form
    15,164.64/22,746.80 = 3,919.92/x
  3. Step 3: Cross multiply
    15,164.64x = 22,746.80 × 3,919.92
  4. Step 4: Simplify right side
    15,164.64x = 89,165,636.26
  5. Step 5: Solve for x
    x = 89,165,636.26/15,164.64
  6. Step 6: Final answer
    x = 5,879.84

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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.