Home / 13,566.89-20,347.06-3,706.22

Finding the Fourth Proportional to 13,566.89, 20,347.06 and 3,706.22

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Solution

The fourth proportional to 13,566.89, 20,347.06 and 3,706.22 is: 5,558.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.89 : 20,347.06 = 3,706.22 : x
  2. Step 2: Convert to fraction form
    13,566.89/20,347.06 = 3,706.22/x
  3. Step 3: Cross multiply
    13,566.89x = 20,347.06 × 3,706.22
  4. Step 4: Simplify right side
    13,566.89x = 75,410,662.18
  5. Step 5: Solve for x
    x = 75,410,662.18/13,566.89
  6. Step 6: Final answer
    x = 5,558.43

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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.