Home / 11,421.34-17,132.53-4,025.87

Finding the Fourth Proportional to 11,421.34, 17,132.53 and 4,025.87

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Solution

The fourth proportional to 11,421.34, 17,132.53 and 4,025.87 is: 6,038.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,421.34 : 17,132.53 = 4,025.87 : x
  2. Step 2: Convert to fraction form
    11,421.34/17,132.53 = 4,025.87/x
  3. Step 3: Cross multiply
    11,421.34x = 17,132.53 × 4,025.87
  4. Step 4: Simplify right side
    11,421.34x = 68,973,338.55
  5. Step 5: Solve for x
    x = 68,973,338.55/11,421.34
  6. Step 6: Final answer
    x = 6,038.99

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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.