Home / 19,002-28,487.64-7,917.04

Finding the Fourth Proportional to 19,002, 28,487.64 and 7,917.04

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Solution

The fourth proportional to 19,002, 28,487.64 and 7,917.04 is: 11,869.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,002 : 28,487.64 = 7,917.04 : x
  2. Step 2: Convert to fraction form
    19,002/28,487.64 = 7,917.04/x
  3. Step 3: Cross multiply
    19,002x = 28,487.64 × 7,917.04
  4. Step 4: Simplify right side
    19,002x = 225,537,785.39
  5. Step 5: Solve for x
    x = 225,537,785.39/19,002
  6. Step 6: Final answer
    x = 11,869.16

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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.