Home / 14,369.15-21,554.94-3,840.77

Finding the Fourth Proportional to 14,369.15, 21,554.94 and 3,840.77

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Solution

The fourth proportional to 14,369.15, 21,554.94 and 3,840.77 is: 5,761.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,369.15 : 21,554.94 = 3,840.77 : x
  2. Step 2: Convert to fraction form
    14,369.15/21,554.94 = 3,840.77/x
  3. Step 3: Cross multiply
    14,369.15x = 21,554.94 × 3,840.77
  4. Step 4: Simplify right side
    14,369.15x = 82,787,566.90
  5. Step 5: Solve for x
    x = 82,787,566.90/14,369.15
  6. Step 6: Final answer
    x = 5,761.48

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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.