Home / 10,999.04-15,181.47-6,286.10

Finding the Fourth Proportional to 10,999.04, 15,181.47 and 6,286.10

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Solution

The fourth proportional to 10,999.04, 15,181.47 and 6,286.10 is: 8,676.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.04 : 15,181.47 = 6,286.10 : x
  2. Step 2: Convert to fraction form
    10,999.04/15,181.47 = 6,286.10/x
  3. Step 3: Cross multiply
    10,999.04x = 15,181.47 × 6,286.10
  4. Step 4: Simplify right side
    10,999.04x = 95,432,238.57
  5. Step 5: Solve for x
    x = 95,432,238.57/10,999.04
  6. Step 6: Final answer
    x = 8,676.42

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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.