Home / 10,689.32-16,037.44-5,141.94

Finding the Fourth Proportional to 10,689.32, 16,037.44 and 5,141.94

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Solution

The fourth proportional to 10,689.32, 16,037.44 and 5,141.94 is: 7,714.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,689.32 : 16,037.44 = 5,141.94 : x
  2. Step 2: Convert to fraction form
    10,689.32/16,037.44 = 5,141.94/x
  3. Step 3: Cross multiply
    10,689.32x = 16,037.44 × 5,141.94
  4. Step 4: Simplify right side
    10,689.32x = 82,463,554.23
  5. Step 5: Solve for x
    x = 82,463,554.23/10,689.32
  6. Step 6: Final answer
    x = 7,714.57

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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.