Home / 13,958.56-20,940.90-4,598.20

Finding the Fourth Proportional to 13,958.56, 20,940.90 and 4,598.20

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Solution

The fourth proportional to 13,958.56, 20,940.90 and 4,598.20 is: 6,898.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,958.56 : 20,940.90 = 4,598.20 : x
  2. Step 2: Convert to fraction form
    13,958.56/20,940.90 = 4,598.20/x
  3. Step 3: Cross multiply
    13,958.56x = 20,940.90 × 4,598.20
  4. Step 4: Simplify right side
    13,958.56x = 96,290,446.38
  5. Step 5: Solve for x
    x = 96,290,446.38/13,958.56
  6. Step 6: Final answer
    x = 6,898.31

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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.