Home / 10,914.32-16,372.04-3,124.28

Finding the Fourth Proportional to 10,914.32, 16,372.04 and 3,124.28

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Solution

The fourth proportional to 10,914.32, 16,372.04 and 3,124.28 is: 4,686.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,914.32 : 16,372.04 = 3,124.28 : x
  2. Step 2: Convert to fraction form
    10,914.32/16,372.04 = 3,124.28/x
  3. Step 3: Cross multiply
    10,914.32x = 16,372.04 × 3,124.28
  4. Step 4: Simplify right side
    10,914.32x = 51,150,837.13
  5. Step 5: Solve for x
    x = 51,150,837.13/10,914.32
  6. Step 6: Final answer
    x = 4,686.58

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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.