Home / 12,558.92-17,331.35-6,893.72

Finding the Fourth Proportional to 12,558.92, 17,331.35 and 6,893.72

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Solution

The fourth proportional to 12,558.92, 17,331.35 and 6,893.72 is: 9,513.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.92 : 17,331.35 = 6,893.72 : x
  2. Step 2: Convert to fraction form
    12,558.92/17,331.35 = 6,893.72/x
  3. Step 3: Cross multiply
    12,558.92x = 17,331.35 × 6,893.72
  4. Step 4: Simplify right side
    12,558.92x = 119,477,474.12
  5. Step 5: Solve for x
    x = 119,477,474.12/12,558.92
  6. Step 6: Final answer
    x = 9,513.36

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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.