Home / 14,290.55-21,439.20-5,965.94

Finding the Fourth Proportional to 14,290.55, 21,439.20 and 5,965.94

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Solution

The fourth proportional to 14,290.55, 21,439.20 and 5,965.94 is: 8,950.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.55 : 21,439.20 = 5,965.94 : x
  2. Step 2: Convert to fraction form
    14,290.55/21,439.20 = 5,965.94/x
  3. Step 3: Cross multiply
    14,290.55x = 21,439.20 × 5,965.94
  4. Step 4: Simplify right side
    14,290.55x = 127,904,980.85
  5. Step 5: Solve for x
    x = 127,904,980.85/14,290.55
  6. Step 6: Final answer
    x = 8,950.32

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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.