Home / 11,928.06-17,901.30-6,386.04

Finding the Fourth Proportional to 11,928.06, 17,901.30 and 6,386.04

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Solution

The fourth proportional to 11,928.06, 17,901.30 and 6,386.04 is: 9,583.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.06 : 17,901.30 = 6,386.04 : x
  2. Step 2: Convert to fraction form
    11,928.06/17,901.30 = 6,386.04/x
  3. Step 3: Cross multiply
    11,928.06x = 17,901.30 × 6,386.04
  4. Step 4: Simplify right side
    11,928.06x = 114,318,417.85
  5. Step 5: Solve for x
    x = 114,318,417.85/11,928.06
  6. Step 6: Final answer
    x = 9,583.99

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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.