Home / 9,880.68-14,818.04-5,198.11

Finding the Fourth Proportional to 9,880.68, 14,818.04 and 5,198.11

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Solution

The fourth proportional to 9,880.68, 14,818.04 and 5,198.11 is: 7,795.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880.68 : 14,818.04 = 5,198.11 : x
  2. Step 2: Convert to fraction form
    9,880.68/14,818.04 = 5,198.11/x
  3. Step 3: Cross multiply
    9,880.68x = 14,818.04 × 5,198.11
  4. Step 4: Simplify right side
    9,880.68x = 77,025,775.91
  5. Step 5: Solve for x
    x = 77,025,775.91/9,880.68
  6. Step 6: Final answer
    x = 7,795.59

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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.