Home / 13,184.80-19,776.12-3,950.80

Finding the Fourth Proportional to 13,184.80, 19,776.12 and 3,950.80

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Solution

The fourth proportional to 13,184.80, 19,776.12 and 3,950.80 is: 5,925.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.80 : 19,776.12 = 3,950.80 : x
  2. Step 2: Convert to fraction form
    13,184.80/19,776.12 = 3,950.80/x
  3. Step 3: Cross multiply
    13,184.80x = 19,776.12 × 3,950.80
  4. Step 4: Simplify right side
    13,184.80x = 78,131,494.90
  5. Step 5: Solve for x
    x = 78,131,494.90/13,184.80
  6. Step 6: Final answer
    x = 5,925.88

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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.