Home / 8,736.17-12,063.40-8,453.73

Finding the Fourth Proportional to 8,736.17, 12,063.40 and 8,453.73

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Solution

The fourth proportional to 8,736.17, 12,063.40 and 8,453.73 is: 11,673.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736.17 : 12,063.40 = 8,453.73 : x
  2. Step 2: Convert to fraction form
    8,736.17/12,063.40 = 8,453.73/x
  3. Step 3: Cross multiply
    8,736.17x = 12,063.40 × 8,453.73
  4. Step 4: Simplify right side
    8,736.17x = 101,980,726.48
  5. Step 5: Solve for x
    x = 101,980,726.48/8,736.17
  6. Step 6: Final answer
    x = 11,673.39

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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.