Home / 12,518.88-17,277.13-6,930.96

Finding the Fourth Proportional to 12,518.88, 17,277.13 and 6,930.96

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Solution

The fourth proportional to 12,518.88, 17,277.13 and 6,930.96 is: 9,565.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,518.88 : 17,277.13 = 6,930.96 : x
  2. Step 2: Convert to fraction form
    12,518.88/17,277.13 = 6,930.96/x
  3. Step 3: Cross multiply
    12,518.88x = 17,277.13 × 6,930.96
  4. Step 4: Simplify right side
    12,518.88x = 119,747,096.94
  5. Step 5: Solve for x
    x = 119,747,096.94/12,518.88
  6. Step 6: Final answer
    x = 9,565.32

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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.