Home / 12,543.75-17,310.42-6,954.75

Finding the Fourth Proportional to 12,543.75, 17,310.42 and 6,954.75

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Solution

The fourth proportional to 12,543.75, 17,310.42 and 6,954.75 is: 9,597.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,543.75 : 17,310.42 = 6,954.75 : x
  2. Step 2: Convert to fraction form
    12,543.75/17,310.42 = 6,954.75/x
  3. Step 3: Cross multiply
    12,543.75x = 17,310.42 × 6,954.75
  4. Step 4: Simplify right side
    12,543.75x = 120,389,643.50
  5. Step 5: Solve for x
    x = 120,389,643.50/12,543.75
  6. Step 6: Final answer
    x = 9,597.58

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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.