Home / 15,814.45-23,721.68-6,448.62

Finding the Fourth Proportional to 15,814.45, 23,721.68 and 6,448.62

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Solution

The fourth proportional to 15,814.45, 23,721.68 and 6,448.62 is: 9,672.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,814.45 : 23,721.68 = 6,448.62 : x
  2. Step 2: Convert to fraction form
    15,814.45/23,721.68 = 6,448.62/x
  3. Step 3: Cross multiply
    15,814.45x = 23,721.68 × 6,448.62
  4. Step 4: Simplify right side
    15,814.45x = 152,972,100.08
  5. Step 5: Solve for x
    x = 152,972,100.08/15,814.45
  6. Step 6: Final answer
    x = 9,672.93

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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.