Home / 13,148.32-19,691.04-7,584.80

Finding the Fourth Proportional to 13,148.32, 19,691.04 and 7,584.80

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Solution

The fourth proportional to 13,148.32, 19,691.04 and 7,584.80 is: 11,359.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148.32 : 19,691.04 = 7,584.80 : x
  2. Step 2: Convert to fraction form
    13,148.32/19,691.04 = 7,584.80/x
  3. Step 3: Cross multiply
    13,148.32x = 19,691.04 × 7,584.80
  4. Step 4: Simplify right side
    13,148.32x = 149,352,600.19
  5. Step 5: Solve for x
    x = 149,352,600.19/13,148.32
  6. Step 6: Final answer
    x = 11,359.06

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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.