Home / 14,424.21-21,644.55-5,665.41

Finding the Fourth Proportional to 14,424.21, 21,644.55 and 5,665.41

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Solution

The fourth proportional to 14,424.21, 21,644.55 and 5,665.41 is: 8,501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,424.21 : 21,644.55 = 5,665.41 : x
  2. Step 2: Convert to fraction form
    14,424.21/21,644.55 = 5,665.41/x
  3. Step 3: Cross multiply
    14,424.21x = 21,644.55 × 5,665.41
  4. Step 4: Simplify right side
    14,424.21x = 122,625,250.02
  5. Step 5: Solve for x
    x = 122,625,250.02/14,424.21
  6. Step 6: Final answer
    x = 8,501.35

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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.