Home / 13,960.32-19,266.15-8,658.66

Finding the Fourth Proportional to 13,960.32, 19,266.15 and 8,658.66

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Solution

The fourth proportional to 13,960.32, 19,266.15 and 8,658.66 is: 11,949.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.32 : 19,266.15 = 8,658.66 : x
  2. Step 2: Convert to fraction form
    13,960.32/19,266.15 = 8,658.66/x
  3. Step 3: Cross multiply
    13,960.32x = 19,266.15 × 8,658.66
  4. Step 4: Simplify right side
    13,960.32x = 166,819,042.36
  5. Step 5: Solve for x
    x = 166,819,042.36/13,960.32
  6. Step 6: Final answer
    x = 11,949.51

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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.