Home / 13,474.30-20,214.48-4,113.54

Finding the Fourth Proportional to 13,474.30, 20,214.48 and 4,113.54

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Solution

The fourth proportional to 13,474.30, 20,214.48 and 4,113.54 is: 6,171.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.30 : 20,214.48 = 4,113.54 : x
  2. Step 2: Convert to fraction form
    13,474.30/20,214.48 = 4,113.54/x
  3. Step 3: Cross multiply
    13,474.30x = 20,214.48 × 4,113.54
  4. Step 4: Simplify right side
    13,474.30x = 83,152,980.05
  5. Step 5: Solve for x
    x = 83,152,980.05/13,474.30
  6. Step 6: Final answer
    x = 6,171.23

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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.