Home / 13,826.10-20,739.15-5,057.46

Finding the Fourth Proportional to 13,826.10, 20,739.15 and 5,057.46

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Solution

The fourth proportional to 13,826.10, 20,739.15 and 5,057.46 is: 7,586.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,826.10 : 20,739.15 = 5,057.46 : x
  2. Step 2: Convert to fraction form
    13,826.10/20,739.15 = 5,057.46/x
  3. Step 3: Cross multiply
    13,826.10x = 20,739.15 × 5,057.46
  4. Step 4: Simplify right side
    13,826.10x = 104,887,421.56
  5. Step 5: Solve for x
    x = 104,887,421.56/13,826.10
  6. Step 6: Final answer
    x = 7,586.19

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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.