Home / 9,186.87-12,677.43-4,995.12

Finding the Fourth Proportional to 9,186.87, 12,677.43 and 4,995.12

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Solution

The fourth proportional to 9,186.87, 12,677.43 and 4,995.12 is: 6,893.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.87 : 12,677.43 = 4,995.12 : x
  2. Step 2: Convert to fraction form
    9,186.87/12,677.43 = 4,995.12/x
  3. Step 3: Cross multiply
    9,186.87x = 12,677.43 × 4,995.12
  4. Step 4: Simplify right side
    9,186.87x = 63,325,284.14
  5. Step 5: Solve for x
    x = 63,325,284.14/9,186.87
  6. Step 6: Final answer
    x = 6,893.02

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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.