Home / 13,124.54-19,696.04-11,869.75

Finding the Fourth Proportional to 13,124.54, 19,696.04 and 11,869.75

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Solution

The fourth proportional to 13,124.54, 19,696.04 and 11,869.75 is: 17,812.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124.54 : 19,696.04 = 11,869.75 : x
  2. Step 2: Convert to fraction form
    13,124.54/19,696.04 = 11,869.75/x
  3. Step 3: Cross multiply
    13,124.54x = 19,696.04 × 11,869.75
  4. Step 4: Simplify right side
    13,124.54x = 233,786,962.20
  5. Step 5: Solve for x
    x = 233,786,962.20/13,124.54
  6. Step 6: Final answer
    x = 17,812.97

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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.