Home / 14,418.14-21,618.84-7,013.26

Finding the Fourth Proportional to 14,418.14, 21,618.84 and 7,013.26

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Solution

The fourth proportional to 14,418.14, 21,618.84 and 7,013.26 is: 10,515.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,418.14 : 21,618.84 = 7,013.26 : x
  2. Step 2: Convert to fraction form
    14,418.14/21,618.84 = 7,013.26/x
  3. Step 3: Cross multiply
    14,418.14x = 21,618.84 × 7,013.26
  4. Step 4: Simplify right side
    14,418.14x = 151,618,545.82
  5. Step 5: Solve for x
    x = 151,618,545.82/14,418.14
  6. Step 6: Final answer
    x = 10,515.82

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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.