Home / 8,656.12-11,943.66-5,511.16

Finding the Fourth Proportional to 8,656.12, 11,943.66 and 5,511.16

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Solution

The fourth proportional to 8,656.12, 11,943.66 and 5,511.16 is: 7,604.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656.12 : 11,943.66 = 5,511.16 : x
  2. Step 2: Convert to fraction form
    8,656.12/11,943.66 = 5,511.16/x
  3. Step 3: Cross multiply
    8,656.12x = 11,943.66 × 5,511.16
  4. Step 4: Simplify right side
    8,656.12x = 65,823,421.25
  5. Step 5: Solve for x
    x = 65,823,421.25/8,656.12
  6. Step 6: Final answer
    x = 7,604.26

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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.