Home / 13,472.56-20,213.70-6,901.84

Finding the Fourth Proportional to 13,472.56, 20,213.70 and 6,901.84

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Solution

The fourth proportional to 13,472.56, 20,213.70 and 6,901.84 is: 10,355.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472.56 : 20,213.70 = 6,901.84 : x
  2. Step 2: Convert to fraction form
    13,472.56/20,213.70 = 6,901.84/x
  3. Step 3: Cross multiply
    13,472.56x = 20,213.70 × 6,901.84
  4. Step 4: Simplify right side
    13,472.56x = 139,511,723.21
  5. Step 5: Solve for x
    x = 139,511,723.21/13,472.56
  6. Step 6: Final answer
    x = 10,355.25

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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.