Home / 13,474.35-20,202.77-6,454.18

Finding the Fourth Proportional to 13,474.35, 20,202.77 and 6,454.18

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Solution

The fourth proportional to 13,474.35, 20,202.77 and 6,454.18 is: 9,677.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.35 : 20,202.77 = 6,454.18 : x
  2. Step 2: Convert to fraction form
    13,474.35/20,202.77 = 6,454.18/x
  3. Step 3: Cross multiply
    13,474.35x = 20,202.77 × 6,454.18
  4. Step 4: Simplify right side
    13,474.35x = 130,392,319.16
  5. Step 5: Solve for x
    x = 130,392,319.16/13,474.35
  6. Step 6: Final answer
    x = 9,677.08

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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.