Home / 14,615.37-20,169.41-8,327.61

Finding the Fourth Proportional to 14,615.37, 20,169.41 and 8,327.61

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Solution

The fourth proportional to 14,615.37, 20,169.41 and 8,327.61 is: 11,492.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615.37 : 20,169.41 = 8,327.61 : x
  2. Step 2: Convert to fraction form
    14,615.37/20,169.41 = 8,327.61/x
  3. Step 3: Cross multiply
    14,615.37x = 20,169.41 × 8,327.61
  4. Step 4: Simplify right side
    14,615.37x = 167,962,938.77
  5. Step 5: Solve for x
    x = 167,962,938.77/14,615.37
  6. Step 6: Final answer
    x = 11,492.21

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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.