Home / 10,305.31-14,205.82-8,063.29

Finding the Fourth Proportional to 10,305.31, 14,205.82 and 8,063.29

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Solution

The fourth proportional to 10,305.31, 14,205.82 and 8,063.29 is: 11,115.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305.31 : 14,205.82 = 8,063.29 : x
  2. Step 2: Convert to fraction form
    10,305.31/14,205.82 = 8,063.29/x
  3. Step 3: Cross multiply
    10,305.31x = 14,205.82 × 8,063.29
  4. Step 4: Simplify right side
    10,305.31x = 114,545,646.35
  5. Step 5: Solve for x
    x = 114,545,646.35/10,305.31
  6. Step 6: Final answer
    x = 11,115.21

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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.