Home / 11,837.19-17,756-3,071.89

Finding the Fourth Proportional to 11,837.19, 17,756 and 3,071.89

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Solution

The fourth proportional to 11,837.19, 17,756 and 3,071.89 is: 4,607.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,837.19 : 17,756 = 3,071.89 : x
  2. Step 2: Convert to fraction form
    11,837.19/17,756 = 3,071.89/x
  3. Step 3: Cross multiply
    11,837.19x = 17,756 × 3,071.89
  4. Step 4: Simplify right side
    11,837.19x = 54,544,478.84
  5. Step 5: Solve for x
    x = 54,544,478.84/11,837.19
  6. Step 6: Final answer
    x = 4,607.89

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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.