Home / 13,326.12-18,391.74-8,023.80

Finding the Fourth Proportional to 13,326.12, 18,391.74 and 8,023.80

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Solution

The fourth proportional to 13,326.12, 18,391.74 and 8,023.80 is: 11,073.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.12 : 18,391.74 = 8,023.80 : x
  2. Step 2: Convert to fraction form
    13,326.12/18,391.74 = 8,023.80/x
  3. Step 3: Cross multiply
    13,326.12x = 18,391.74 × 8,023.80
  4. Step 4: Simplify right side
    13,326.12x = 147,571,643.41
  5. Step 5: Solve for x
    x = 147,571,643.41/13,326.12
  6. Step 6: Final answer
    x = 11,073.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.