Home / 13,186.16-19,777.08-3,950

Finding the Fourth Proportional to 13,186.16, 19,777.08 and 3,950

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Solution

The fourth proportional to 13,186.16, 19,777.08 and 3,950 is: 5,924.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,186.16 : 19,777.08 = 3,950 : x
  2. Step 2: Convert to fraction form
    13,186.16/19,777.08 = 3,950/x
  3. Step 3: Cross multiply
    13,186.16x = 19,777.08 × 3,950
  4. Step 4: Simplify right side
    13,186.16x = 78,119,466
  5. Step 5: Solve for x
    x = 78,119,466/13,186.16
  6. Step 6: Final answer
    x = 5,924.35

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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.