Home / 12,777.63-19,170.37-6,542.02

Finding the Fourth Proportional to 12,777.63, 19,170.37 and 6,542.02

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Solution

The fourth proportional to 12,777.63, 19,170.37 and 6,542.02 is: 9,815.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777.63 : 19,170.37 = 6,542.02 : x
  2. Step 2: Convert to fraction form
    12,777.63/19,170.37 = 6,542.02/x
  3. Step 3: Cross multiply
    12,777.63x = 19,170.37 × 6,542.02
  4. Step 4: Simplify right side
    12,777.63x = 125,412,943.95
  5. Step 5: Solve for x
    x = 125,412,943.95/12,777.63
  6. Step 6: Final answer
    x = 9,815.04

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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.