Home / 13,491.23-20,241.70-6,090.05

Finding the Fourth Proportional to 13,491.23, 20,241.70 and 6,090.05

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Solution

The fourth proportional to 13,491.23, 20,241.70 and 6,090.05 is: 9,137.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,491.23 : 20,241.70 = 6,090.05 : x
  2. Step 2: Convert to fraction form
    13,491.23/20,241.70 = 6,090.05/x
  3. Step 3: Cross multiply
    13,491.23x = 20,241.70 × 6,090.05
  4. Step 4: Simplify right side
    13,491.23x = 123,273,000.46
  5. Step 5: Solve for x
    x = 123,273,000.46/13,491.23
  6. Step 6: Final answer
    x = 9,137.27

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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.