Home / 11,166.89-15,410.48-6,131.04

Finding the Fourth Proportional to 11,166.89, 15,410.48 and 6,131.04

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Solution

The fourth proportional to 11,166.89, 15,410.48 and 6,131.04 is: 8,460.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.89 : 15,410.48 = 6,131.04 : x
  2. Step 2: Convert to fraction form
    11,166.89/15,410.48 = 6,131.04/x
  3. Step 3: Cross multiply
    11,166.89x = 15,410.48 × 6,131.04
  4. Step 4: Simplify right side
    11,166.89x = 94,482,269.30
  5. Step 5: Solve for x
    x = 94,482,269.30/11,166.89
  6. Step 6: Final answer
    x = 8,460.93

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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.