Home / 11,660.65-17,483.88-5,248.09

Finding the Fourth Proportional to 11,660.65, 17,483.88 and 5,248.09

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Solution

The fourth proportional to 11,660.65, 17,483.88 and 5,248.09 is: 7,868.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.65 : 17,483.88 = 5,248.09 : x
  2. Step 2: Convert to fraction form
    11,660.65/17,483.88 = 5,248.09/x
  3. Step 3: Cross multiply
    11,660.65x = 17,483.88 × 5,248.09
  4. Step 4: Simplify right side
    11,660.65x = 91,756,975.79
  5. Step 5: Solve for x
    x = 91,756,975.79/11,660.65
  6. Step 6: Final answer
    x = 7,868.94

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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.