Home / 11,927.17-17,890.30-4,905.23

Finding the Fourth Proportional to 11,927.17, 17,890.30 and 4,905.23

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Solution

The fourth proportional to 11,927.17, 17,890.30 and 4,905.23 is: 7,357.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.17 : 17,890.30 = 4,905.23 : x
  2. Step 2: Convert to fraction form
    11,927.17/17,890.30 = 4,905.23/x
  3. Step 3: Cross multiply
    11,927.17x = 17,890.30 × 4,905.23
  4. Step 4: Simplify right side
    11,927.17x = 87,756,036.27
  5. Step 5: Solve for x
    x = 87,756,036.27/11,927.17
  6. Step 6: Final answer
    x = 7,357.66

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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.