Home / 13,946.64-20,918.94-6,552.78

Finding the Fourth Proportional to 13,946.64, 20,918.94 and 6,552.78

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Solution

The fourth proportional to 13,946.64, 20,918.94 and 6,552.78 is: 9,828.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,946.64 : 20,918.94 = 6,552.78 : x
  2. Step 2: Convert to fraction form
    13,946.64/20,918.94 = 6,552.78/x
  3. Step 3: Cross multiply
    13,946.64x = 20,918.94 × 6,552.78
  4. Step 4: Simplify right side
    13,946.64x = 137,077,211.65
  5. Step 5: Solve for x
    x = 137,077,211.65/13,946.64
  6. Step 6: Final answer
    x = 9,828.69

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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.