Home / 14,388.15-21,583.49-4,395.15

Finding the Fourth Proportional to 14,388.15, 21,583.49 and 4,395.15

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Solution

The fourth proportional to 14,388.15, 21,583.49 and 4,395.15 is: 6,593.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,388.15 : 21,583.49 = 4,395.15 : x
  2. Step 2: Convert to fraction form
    14,388.15/21,583.49 = 4,395.15/x
  3. Step 3: Cross multiply
    14,388.15x = 21,583.49 × 4,395.15
  4. Step 4: Simplify right side
    14,388.15x = 94,862,687.06
  5. Step 5: Solve for x
    x = 94,862,687.06/14,388.15
  6. Step 6: Final answer
    x = 6,593.11

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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.