Home / 11,335.30-15,641.96-6,299.14

Finding the Fourth Proportional to 11,335.30, 15,641.96 and 6,299.14

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Solution

The fourth proportional to 11,335.30, 15,641.96 and 6,299.14 is: 8,692.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.30 : 15,641.96 = 6,299.14 : x
  2. Step 2: Convert to fraction form
    11,335.30/15,641.96 = 6,299.14/x
  3. Step 3: Cross multiply
    11,335.30x = 15,641.96 × 6,299.14
  4. Step 4: Simplify right side
    11,335.30x = 98,530,895.91
  5. Step 5: Solve for x
    x = 98,530,895.91/11,335.30
  6. Step 6: Final answer
    x = 8,692.39

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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.