Home / 12,575.54-17,354.70-6,910.81

Finding the Fourth Proportional to 12,575.54, 17,354.70 and 6,910.81

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Solution

The fourth proportional to 12,575.54, 17,354.70 and 6,910.81 is: 9,537.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575.54 : 17,354.70 = 6,910.81 : x
  2. Step 2: Convert to fraction form
    12,575.54/17,354.70 = 6,910.81/x
  3. Step 3: Cross multiply
    12,575.54x = 17,354.70 × 6,910.81
  4. Step 4: Simplify right side
    12,575.54x = 119,934,990.92
  5. Step 5: Solve for x
    x = 119,934,990.92/12,575.54
  6. Step 6: Final answer
    x = 9,537.16

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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.