Home / 19,551.72-29,329.32-5,511.89

Finding the Fourth Proportional to 19,551.72, 29,329.32 and 5,511.89

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Solution

The fourth proportional to 19,551.72, 29,329.32 and 5,511.89 is: 8,268.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,551.72 : 29,329.32 = 5,511.89 : x
  2. Step 2: Convert to fraction form
    19,551.72/29,329.32 = 5,511.89/x
  3. Step 3: Cross multiply
    19,551.72x = 29,329.32 × 5,511.89
  4. Step 4: Simplify right side
    19,551.72x = 161,659,838.97
  5. Step 5: Solve for x
    x = 161,659,838.97/19,551.72
  6. Step 6: Final answer
    x = 8,268.32

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1.5x scale

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.