Home / 14,250.86-21,377.21-5,485.77

Finding the Fourth Proportional to 14,250.86, 21,377.21 and 5,485.77

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Solution

The fourth proportional to 14,250.86, 21,377.21 and 5,485.77 is: 8,229.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,250.86 : 21,377.21 = 5,485.77 : x
  2. Step 2: Convert to fraction form
    14,250.86/21,377.21 = 5,485.77/x
  3. Step 3: Cross multiply
    14,250.86x = 21,377.21 × 5,485.77
  4. Step 4: Simplify right side
    14,250.86x = 117,270,429.87
  5. Step 5: Solve for x
    x = 117,270,429.87/14,250.86
  6. Step 6: Final answer
    x = 8,229.01

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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.