Home / 13,310.19-19,968.73-3,950.13

Finding the Fourth Proportional to 13,310.19, 19,968.73 and 3,950.13

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Solution

The fourth proportional to 13,310.19, 19,968.73 and 3,950.13 is: 5,926.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310.19 : 19,968.73 = 3,950.13 : x
  2. Step 2: Convert to fraction form
    13,310.19/19,968.73 = 3,950.13/x
  3. Step 3: Cross multiply
    13,310.19x = 19,968.73 × 3,950.13
  4. Step 4: Simplify right side
    13,310.19x = 78,879,079.43
  5. Step 5: Solve for x
    x = 78,879,079.43/13,310.19
  6. Step 6: Final answer
    x = 5,926.22

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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.