Home / 12,558.19-17,329.32-6,892.92

Finding the Fourth Proportional to 12,558.19, 17,329.32 and 6,892.92

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Solution

The fourth proportional to 12,558.19, 17,329.32 and 6,892.92 is: 9,511.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.19 : 17,329.32 = 6,892.92 : x
  2. Step 2: Convert to fraction form
    12,558.19/17,329.32 = 6,892.92/x
  3. Step 3: Cross multiply
    12,558.19x = 17,329.32 × 6,892.92
  4. Step 4: Simplify right side
    12,558.19x = 119,449,645.77
  5. Step 5: Solve for x
    x = 119,449,645.77/12,558.19
  6. Step 6: Final answer
    x = 9,511.69

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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.