Home / 14,418.98-21,618.08-8,860.83

Finding the Fourth Proportional to 14,418.98, 21,618.08 and 8,860.83

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Solution

The fourth proportional to 14,418.98, 21,618.08 and 8,860.83 is: 13,284.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,418.98 : 21,618.08 = 8,860.83 : x
  2. Step 2: Convert to fraction form
    14,418.98/21,618.08 = 8,860.83/x
  3. Step 3: Cross multiply
    14,418.98x = 21,618.08 × 8,860.83
  4. Step 4: Simplify right side
    14,418.98x = 191,554,087.50
  5. Step 5: Solve for x
    x = 191,554,087.50/14,418.98
  6. Step 6: Final answer
    x = 13,284.86

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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.