Home / 8,963.88-13,447.38-3,417.72

Finding the Fourth Proportional to 8,963.88, 13,447.38 and 3,417.72

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Solution

The fourth proportional to 8,963.88, 13,447.38 and 3,417.72 is: 5,127.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.88 : 13,447.38 = 3,417.72 : x
  2. Step 2: Convert to fraction form
    8,963.88/13,447.38 = 3,417.72/x
  3. Step 3: Cross multiply
    8,963.88x = 13,447.38 × 3,417.72
  4. Step 4: Simplify right side
    8,963.88x = 45,959,379.57
  5. Step 5: Solve for x
    x = 45,959,379.57/8,963.88
  6. Step 6: Final answer
    x = 5,127.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.