Home / 11,007.14-15,189.85-6,291.52

Finding the Fourth Proportional to 11,007.14, 15,189.85 and 6,291.52

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Solution

The fourth proportional to 11,007.14, 15,189.85 and 6,291.52 is: 8,682.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.14 : 15,189.85 = 6,291.52 : x
  2. Step 2: Convert to fraction form
    11,007.14/15,189.85 = 6,291.52/x
  3. Step 3: Cross multiply
    11,007.14x = 15,189.85 × 6,291.52
  4. Step 4: Simplify right side
    11,007.14x = 95,567,318.10
  5. Step 5: Solve for x
    x = 95,567,318.10/11,007.14
  6. Step 6: Final answer
    x = 8,682.30

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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.