Home / 14,365.92-21,544-5,603.36

Finding the Fourth Proportional to 14,365.92, 21,544 and 5,603.36

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Solution

The fourth proportional to 14,365.92, 21,544 and 5,603.36 is: 8,403.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,365.92 : 21,544 = 5,603.36 : x
  2. Step 2: Convert to fraction form
    14,365.92/21,544 = 5,603.36/x
  3. Step 3: Cross multiply
    14,365.92x = 21,544 × 5,603.36
  4. Step 4: Simplify right side
    14,365.92x = 120,718,787.84
  5. Step 5: Solve for x
    x = 120,718,787.84/14,365.92
  6. Step 6: Final answer
    x = 8,403.14

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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.