Home / 13,558.22-20,316.36-9,406.34

Finding the Fourth Proportional to 13,558.22, 20,316.36 and 9,406.34

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Solution

The fourth proportional to 13,558.22, 20,316.36 and 9,406.34 is: 14,094.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558.22 : 20,316.36 = 9,406.34 : x
  2. Step 2: Convert to fraction form
    13,558.22/20,316.36 = 9,406.34/x
  3. Step 3: Cross multiply
    13,558.22x = 20,316.36 × 9,406.34
  4. Step 4: Simplify right side
    13,558.22x = 191,102,589.72
  5. Step 5: Solve for x
    x = 191,102,589.72/13,558.22
  6. Step 6: Final answer
    x = 14,094.96

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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.