Home / 11,438.55-17,159.31-3,541.59

Finding the Fourth Proportional to 11,438.55, 17,159.31 and 3,541.59

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Solution

The fourth proportional to 11,438.55, 17,159.31 and 3,541.59 is: 5,312.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,438.55 : 17,159.31 = 3,541.59 : x
  2. Step 2: Convert to fraction form
    11,438.55/17,159.31 = 3,541.59/x
  3. Step 3: Cross multiply
    11,438.55x = 17,159.31 × 3,541.59
  4. Step 4: Simplify right side
    11,438.55x = 60,771,240.70
  5. Step 5: Solve for x
    x = 60,771,240.70/11,438.55
  6. Step 6: Final answer
    x = 5,312.84

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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.