Home / 19,669.50-29,511.27-9,144.54

Finding the Fourth Proportional to 19,669.50, 29,511.27 and 9,144.54

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Solution

The fourth proportional to 19,669.50, 29,511.27 and 9,144.54 is: 13,720.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,669.50 : 29,511.27 = 9,144.54 : x
  2. Step 2: Convert to fraction form
    19,669.50/29,511.27 = 9,144.54/x
  3. Step 3: Cross multiply
    19,669.50x = 29,511.27 × 9,144.54
  4. Step 4: Simplify right side
    19,669.50x = 269,866,988.97
  5. Step 5: Solve for x
    x = 269,866,988.97/19,669.50
  6. Step 6: Final answer
    x = 13,720.07

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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.