Home / 13,067.61-19,571.76-8,323.79

Finding the Fourth Proportional to 13,067.61, 19,571.76 and 8,323.79

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Solution

The fourth proportional to 13,067.61, 19,571.76 and 8,323.79 is: 12,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,067.61 : 19,571.76 = 8,323.79 : x
  2. Step 2: Convert to fraction form
    13,067.61/19,571.76 = 8,323.79/x
  3. Step 3: Cross multiply
    13,067.61x = 19,571.76 × 8,323.79
  4. Step 4: Simplify right side
    13,067.61x = 162,911,178.55
  5. Step 5: Solve for x
    x = 162,911,178.55/13,067.61
  6. Step 6: Final answer
    x = 12,466.80

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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.