Home / 12,557.92-17,329.97-6,892.72

Finding the Fourth Proportional to 12,557.92, 17,329.97 and 6,892.72

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Solution

The fourth proportional to 12,557.92, 17,329.97 and 6,892.72 is: 9,511.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557.92 : 17,329.97 = 6,892.72 : x
  2. Step 2: Convert to fraction form
    12,557.92/17,329.97 = 6,892.72/x
  3. Step 3: Cross multiply
    12,557.92x = 17,329.97 × 6,892.72
  4. Step 4: Simplify right side
    12,557.92x = 119,450,630.82
  5. Step 5: Solve for x
    x = 119,450,630.82/12,557.92
  6. Step 6: Final answer
    x = 9,511.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.