Home / 13,586.54-20,346.89-6,905.46

Finding the Fourth Proportional to 13,586.54, 20,346.89 and 6,905.46

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Solution

The fourth proportional to 13,586.54, 20,346.89 and 6,905.46 is: 10,341.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586.54 : 20,346.89 = 6,905.46 : x
  2. Step 2: Convert to fraction form
    13,586.54/20,346.89 = 6,905.46/x
  3. Step 3: Cross multiply
    13,586.54x = 20,346.89 × 6,905.46
  4. Step 4: Simplify right side
    13,586.54x = 140,504,600.49
  5. Step 5: Solve for x
    x = 140,504,600.49/13,586.54
  6. Step 6: Final answer
    x = 10,341.46

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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.