Home / 9,186.95-13,771.55-3,640.17

Finding the Fourth Proportional to 9,186.95, 13,771.55 and 3,640.17

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Solution

The fourth proportional to 9,186.95, 13,771.55 and 3,640.17 is: 5,456.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.95 : 13,771.55 = 3,640.17 : x
  2. Step 2: Convert to fraction form
    9,186.95/13,771.55 = 3,640.17/x
  3. Step 3: Cross multiply
    9,186.95x = 13,771.55 × 3,640.17
  4. Step 4: Simplify right side
    9,186.95x = 50,130,843.91
  5. Step 5: Solve for x
    x = 50,130,843.91/9,186.95
  6. Step 6: Final answer
    x = 5,456.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.