Home / 11,541.39-17,312.94-4,145.91

Finding the Fourth Proportional to 11,541.39, 17,312.94 and 4,145.91

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Solution

The fourth proportional to 11,541.39, 17,312.94 and 4,145.91 is: 6,219.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,541.39 : 17,312.94 = 4,145.91 : x
  2. Step 2: Convert to fraction form
    11,541.39/17,312.94 = 4,145.91/x
  3. Step 3: Cross multiply
    11,541.39x = 17,312.94 × 4,145.91
  4. Step 4: Simplify right side
    11,541.39x = 71,777,891.08
  5. Step 5: Solve for x
    x = 71,777,891.08/11,541.39
  6. Step 6: Final answer
    x = 6,219.17

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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.