Home / 11,881.49-17,818.38-3,559.95

Finding the Fourth Proportional to 11,881.49, 17,818.38 and 3,559.95

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Solution

The fourth proportional to 11,881.49, 17,818.38 and 3,559.95 is: 5,338.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,881.49 : 17,818.38 = 3,559.95 : x
  2. Step 2: Convert to fraction form
    11,881.49/17,818.38 = 3,559.95/x
  3. Step 3: Cross multiply
    11,881.49x = 17,818.38 × 3,559.95
  4. Step 4: Simplify right side
    11,881.49x = 63,432,541.88
  5. Step 5: Solve for x
    x = 63,432,541.88/11,881.49
  6. Step 6: Final answer
    x = 5,338.77

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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.