Home / 13,599.96-20,394.48-4,236.90

Finding the Fourth Proportional to 13,599.96, 20,394.48 and 4,236.90

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Solution

The fourth proportional to 13,599.96, 20,394.48 and 4,236.90 is: 6,353.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.96 : 20,394.48 = 4,236.90 : x
  2. Step 2: Convert to fraction form
    13,599.96/20,394.48 = 4,236.90/x
  3. Step 3: Cross multiply
    13,599.96x = 20,394.48 × 4,236.90
  4. Step 4: Simplify right side
    13,599.96x = 86,409,372.31
  5. Step 5: Solve for x
    x = 86,409,372.31/13,599.96
  6. Step 6: Final answer
    x = 6,353.65

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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.