Home / 8,963.36-13,417.29-7,634.76

Finding the Fourth Proportional to 8,963.36, 13,417.29 and 7,634.76

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Solution

The fourth proportional to 8,963.36, 13,417.29 and 7,634.76 is: 11,428.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.36 : 13,417.29 = 7,634.76 : x
  2. Step 2: Convert to fraction form
    8,963.36/13,417.29 = 7,634.76/x
  3. Step 3: Cross multiply
    8,963.36x = 13,417.29 × 7,634.76
  4. Step 4: Simplify right side
    8,963.36x = 102,437,789.00
  5. Step 5: Solve for x
    x = 102,437,789.00/8,963.36
  6. Step 6: Final answer
    x = 11,428.51

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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.