Home / 12,694.34-19,037.45-4,372.35

Finding the Fourth Proportional to 12,694.34, 19,037.45 and 4,372.35

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Solution

The fourth proportional to 12,694.34, 19,037.45 and 4,372.35 is: 6,557.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,694.34 : 19,037.45 = 4,372.35 : x
  2. Step 2: Convert to fraction form
    12,694.34/19,037.45 = 4,372.35/x
  3. Step 3: Cross multiply
    12,694.34x = 19,037.45 × 4,372.35
  4. Step 4: Simplify right side
    12,694.34x = 83,238,372.65
  5. Step 5: Solve for x
    x = 83,238,372.65/12,694.34
  6. Step 6: Final answer
    x = 6,557.13

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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.