Home / 14,005.06-21,007.59-3,616

Finding the Fourth Proportional to 14,005.06, 21,007.59 and 3,616

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Solution

The fourth proportional to 14,005.06, 21,007.59 and 3,616 is: 5,424

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.06 : 21,007.59 = 3,616 : x
  2. Step 2: Convert to fraction form
    14,005.06/21,007.59 = 3,616/x
  3. Step 3: Cross multiply
    14,005.06x = 21,007.59 × 3,616
  4. Step 4: Simplify right side
    14,005.06x = 75,963,445.44
  5. Step 5: Solve for x
    x = 75,963,445.44/14,005.06
  6. Step 6: Final answer
    x = 5,424

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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.