Home / 11,332.55-16,992.97-5,087.20

Finding the Fourth Proportional to 11,332.55, 16,992.97 and 5,087.20

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Solution

The fourth proportional to 11,332.55, 16,992.97 and 5,087.20 is: 7,628.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,332.55 : 16,992.97 = 5,087.20 : x
  2. Step 2: Convert to fraction form
    11,332.55/16,992.97 = 5,087.20/x
  3. Step 3: Cross multiply
    11,332.55x = 16,992.97 × 5,087.20
  4. Step 4: Simplify right side
    11,332.55x = 86,446,636.98
  5. Step 5: Solve for x
    x = 86,446,636.98/11,332.55
  6. Step 6: Final answer
    x = 7,628.18

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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.