Home / 13,394.35-20,078.56-6,362.34

Finding the Fourth Proportional to 13,394.35, 20,078.56 and 6,362.34

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Solution

The fourth proportional to 13,394.35, 20,078.56 and 6,362.34 is: 9,537.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394.35 : 20,078.56 = 6,362.34 : x
  2. Step 2: Convert to fraction form
    13,394.35/20,078.56 = 6,362.34/x
  3. Step 3: Cross multiply
    13,394.35x = 20,078.56 × 6,362.34
  4. Step 4: Simplify right side
    13,394.35x = 127,746,625.43
  5. Step 5: Solve for x
    x = 127,746,625.43/13,394.35
  6. Step 6: Final answer
    x = 9,537.35

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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.