Home / 12,723.90-19,079.77-5,703.97

Finding the Fourth Proportional to 12,723.90, 19,079.77 and 5,703.97

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Solution

The fourth proportional to 12,723.90, 19,079.77 and 5,703.97 is: 8,553.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.90 : 19,079.77 = 5,703.97 : x
  2. Step 2: Convert to fraction form
    12,723.90/19,079.77 = 5,703.97/x
  3. Step 3: Cross multiply
    12,723.90x = 19,079.77 × 5,703.97
  4. Step 4: Simplify right side
    12,723.90x = 108,830,435.69
  5. Step 5: Solve for x
    x = 108,830,435.69/12,723.90
  6. Step 6: Final answer
    x = 8,553.23

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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.