Home / 11,282.56-15,568.56-6,246.40

Finding the Fourth Proportional to 11,282.56, 15,568.56 and 6,246.40

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Solution

The fourth proportional to 11,282.56, 15,568.56 and 6,246.40 is: 8,619.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,282.56 : 15,568.56 = 6,246.40 : x
  2. Step 2: Convert to fraction form
    11,282.56/15,568.56 = 6,246.40/x
  3. Step 3: Cross multiply
    11,282.56x = 15,568.56 × 6,246.40
  4. Step 4: Simplify right side
    11,282.56x = 97,247,453.18
  5. Step 5: Solve for x
    x = 97,247,453.18/11,282.56
  6. Step 6: Final answer
    x = 8,619.27

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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.