Home / 9,167.31-12,643.09-6,179.22

Finding the Fourth Proportional to 9,167.31, 12,643.09 and 6,179.22

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Solution

The fourth proportional to 9,167.31, 12,643.09 and 6,179.22 is: 8,522.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,167.31 : 12,643.09 = 6,179.22 : x
  2. Step 2: Convert to fraction form
    9,167.31/12,643.09 = 6,179.22/x
  3. Step 3: Cross multiply
    9,167.31x = 12,643.09 × 6,179.22
  4. Step 4: Simplify right side
    9,167.31x = 78,124,419.14
  5. Step 5: Solve for x
    x = 78,124,419.14/9,167.31
  6. Step 6: Final answer
    x = 8,522.07

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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.