Home / 14,619.96-20,170.74-8,948.79

Finding the Fourth Proportional to 14,619.96, 20,170.74 and 8,948.79

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Solution

The fourth proportional to 14,619.96, 20,170.74 and 8,948.79 is: 12,346.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619.96 : 20,170.74 = 8,948.79 : x
  2. Step 2: Convert to fraction form
    14,619.96/20,170.74 = 8,948.79/x
  3. Step 3: Cross multiply
    14,619.96x = 20,170.74 × 8,948.79
  4. Step 4: Simplify right side
    14,619.96x = 180,503,716.40
  5. Step 5: Solve for x
    x = 180,503,716.40/14,619.96
  6. Step 6: Final answer
    x = 12,346.39

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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.