Home / 12,852.80-19,280.10-5,456.44

Finding the Fourth Proportional to 12,852.80, 19,280.10 and 5,456.44

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Solution

The fourth proportional to 12,852.80, 19,280.10 and 5,456.44 is: 8,185.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,852.80 : 19,280.10 = 5,456.44 : x
  2. Step 2: Convert to fraction form
    12,852.80/19,280.10 = 5,456.44/x
  3. Step 3: Cross multiply
    12,852.80x = 19,280.10 × 5,456.44
  4. Step 4: Simplify right side
    12,852.80x = 105,200,708.84
  5. Step 5: Solve for x
    x = 105,200,708.84/12,852.80
  6. Step 6: Final answer
    x = 8,185.04

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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.