Home / 14,121.41-21,195.81-7,552.24

Finding the Fourth Proportional to 14,121.41, 21,195.81 and 7,552.24

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Solution

The fourth proportional to 14,121.41, 21,195.81 and 7,552.24 is: 11,335.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121.41 : 21,195.81 = 7,552.24 : x
  2. Step 2: Convert to fraction form
    14,121.41/21,195.81 = 7,552.24/x
  3. Step 3: Cross multiply
    14,121.41x = 21,195.81 × 7,552.24
  4. Step 4: Simplify right side
    14,121.41x = 160,075,791.12
  5. Step 5: Solve for x
    x = 160,075,791.12/14,121.41
  6. Step 6: Final answer
    x = 11,335.68

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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.