Home / 11,325.43-16,988.10-3,427.93

Finding the Fourth Proportional to 11,325.43, 16,988.10 and 3,427.93

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Solution

The fourth proportional to 11,325.43, 16,988.10 and 3,427.93 is: 5,141.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.43 : 16,988.10 = 3,427.93 : x
  2. Step 2: Convert to fraction form
    11,325.43/16,988.10 = 3,427.93/x
  3. Step 3: Cross multiply
    11,325.43x = 16,988.10 × 3,427.93
  4. Step 4: Simplify right side
    11,325.43x = 58,234,017.63
  5. Step 5: Solve for x
    x = 58,234,017.63/11,325.43
  6. Step 6: Final answer
    x = 5,141.88

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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.