Home / 14,451.64-21,679.19-5,089.72

Finding the Fourth Proportional to 14,451.64, 21,679.19 and 5,089.72

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Solution

The fourth proportional to 14,451.64, 21,679.19 and 5,089.72 is: 7,635.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,451.64 : 21,679.19 = 5,089.72 : x
  2. Step 2: Convert to fraction form
    14,451.64/21,679.19 = 5,089.72/x
  3. Step 3: Cross multiply
    14,451.64x = 21,679.19 × 5,089.72
  4. Step 4: Simplify right side
    14,451.64x = 110,341,006.93
  5. Step 5: Solve for x
    x = 110,341,006.93/14,451.64
  6. Step 6: Final answer
    x = 7,635.19

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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.