Home / 11,036.32-15,228.41-6,319.69

Finding the Fourth Proportional to 11,036.32, 15,228.41 and 6,319.69

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Solution

The fourth proportional to 11,036.32, 15,228.41 and 6,319.69 is: 8,720.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,036.32 : 15,228.41 = 6,319.69 : x
  2. Step 2: Convert to fraction form
    11,036.32/15,228.41 = 6,319.69/x
  3. Step 3: Cross multiply
    11,036.32x = 15,228.41 × 6,319.69
  4. Step 4: Simplify right side
    11,036.32x = 96,238,760.72
  5. Step 5: Solve for x
    x = 96,238,760.72/11,036.32
  6. Step 6: Final answer
    x = 8,720.19

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Half scale
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Double scale
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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.