Home / 16,813.78-25,220.44-5,728.19

Finding the Fourth Proportional to 16,813.78, 25,220.44 and 5,728.19

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Solution

The fourth proportional to 16,813.78, 25,220.44 and 5,728.19 is: 8,592.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,813.78 : 25,220.44 = 5,728.19 : x
  2. Step 2: Convert to fraction form
    16,813.78/25,220.44 = 5,728.19/x
  3. Step 3: Cross multiply
    16,813.78x = 25,220.44 × 5,728.19
  4. Step 4: Simplify right side
    16,813.78x = 144,467,549.95
  5. Step 5: Solve for x
    x = 144,467,549.95/16,813.78
  6. Step 6: Final answer
    x = 8,592.21

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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.