Home / 14,917.76-22,376.28-6,146.60

Finding the Fourth Proportional to 14,917.76, 22,376.28 and 6,146.60

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Solution

The fourth proportional to 14,917.76, 22,376.28 and 6,146.60 is: 9,219.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,917.76 : 22,376.28 = 6,146.60 : x
  2. Step 2: Convert to fraction form
    14,917.76/22,376.28 = 6,146.60/x
  3. Step 3: Cross multiply
    14,917.76x = 22,376.28 × 6,146.60
  4. Step 4: Simplify right side
    14,917.76x = 137,538,042.65
  5. Step 5: Solve for x
    x = 137,538,042.65/14,917.76
  6. Step 6: Final answer
    x = 9,219.75

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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.