Home / 11,282.36-15,562.87-8,305.88

Finding the Fourth Proportional to 11,282.36, 15,562.87 and 8,305.88

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Solution

The fourth proportional to 11,282.36, 15,562.87 and 8,305.88 is: 11,457.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,282.36 : 15,562.87 = 8,305.88 : x
  2. Step 2: Convert to fraction form
    11,282.36/15,562.87 = 8,305.88/x
  3. Step 3: Cross multiply
    11,282.36x = 15,562.87 × 8,305.88
  4. Step 4: Simplify right side
    11,282.36x = 129,263,232.10
  5. Step 5: Solve for x
    x = 129,263,232.10/11,282.36
  6. Step 6: Final answer
    x = 11,457.11

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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.