Home / 10,007.91-15,012.63-2,987.37

Finding the Fourth Proportional to 10,007.91, 15,012.63 and 2,987.37

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Solution

The fourth proportional to 10,007.91, 15,012.63 and 2,987.37 is: 4,481.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,007.91 : 15,012.63 = 2,987.37 : x
  2. Step 2: Convert to fraction form
    10,007.91/15,012.63 = 2,987.37/x
  3. Step 3: Cross multiply
    10,007.91x = 15,012.63 × 2,987.37
  4. Step 4: Simplify right side
    10,007.91x = 44,848,280.48
  5. Step 5: Solve for x
    x = 44,848,280.48/10,007.91
  6. Step 6: Final answer
    x = 4,481.28

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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.