Home / 11,037.16-15,231.22-6,321.40

Finding the Fourth Proportional to 11,037.16, 15,231.22 and 6,321.40

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Solution

The fourth proportional to 11,037.16, 15,231.22 and 6,321.40 is: 8,723.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,037.16 : 15,231.22 = 6,321.40 : x
  2. Step 2: Convert to fraction form
    11,037.16/15,231.22 = 6,321.40/x
  3. Step 3: Cross multiply
    11,037.16x = 15,231.22 × 6,321.40
  4. Step 4: Simplify right side
    11,037.16x = 96,282,634.11
  5. Step 5: Solve for x
    x = 96,282,634.11/11,037.16
  6. Step 6: Final answer
    x = 8,723.50

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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.