Home / 13,974.77-20,958.64-8,354.05

Finding the Fourth Proportional to 13,974.77, 20,958.64 and 8,354.05

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Solution

The fourth proportional to 13,974.77, 20,958.64 and 8,354.05 is: 12,528.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.77 : 20,958.64 = 8,354.05 : x
  2. Step 2: Convert to fraction form
    13,974.77/20,958.64 = 8,354.05/x
  3. Step 3: Cross multiply
    13,974.77x = 20,958.64 × 8,354.05
  4. Step 4: Simplify right side
    13,974.77x = 175,089,526.49
  5. Step 5: Solve for x
    x = 175,089,526.49/13,974.77
  6. Step 6: Final answer
    x = 12,528.97

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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.