Home / 13,715.96-20,558.40-6,305.12

Finding the Fourth Proportional to 13,715.96, 20,558.40 and 6,305.12

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Solution

The fourth proportional to 13,715.96, 20,558.40 and 6,305.12 is: 9,450.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,715.96 : 20,558.40 = 6,305.12 : x
  2. Step 2: Convert to fraction form
    13,715.96/20,558.40 = 6,305.12/x
  3. Step 3: Cross multiply
    13,715.96x = 20,558.40 × 6,305.12
  4. Step 4: Simplify right side
    13,715.96x = 129,623,076.22
  5. Step 5: Solve for x
    x = 129,623,076.22/13,715.96
  6. Step 6: Final answer
    x = 9,450.53

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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.