Home / 14,391.74-21,582.14-5,625.52

Finding the Fourth Proportional to 14,391.74, 21,582.14 and 5,625.52

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Solution

The fourth proportional to 14,391.74, 21,582.14 and 5,625.52 is: 8,436.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,391.74 : 21,582.14 = 5,625.52 : x
  2. Step 2: Convert to fraction form
    14,391.74/21,582.14 = 5,625.52/x
  3. Step 3: Cross multiply
    14,391.74x = 21,582.14 × 5,625.52
  4. Step 4: Simplify right side
    14,391.74x = 121,410,760.21
  5. Step 5: Solve for x
    x = 121,410,760.21/14,391.74
  6. Step 6: Final answer
    x = 8,436.14

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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.