Home / 11,827.18-17,746.79-7,881.14

Finding the Fourth Proportional to 11,827.18, 17,746.79 and 7,881.14

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Solution

The fourth proportional to 11,827.18, 17,746.79 and 7,881.14 is: 11,825.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,827.18 : 17,746.79 = 7,881.14 : x
  2. Step 2: Convert to fraction form
    11,827.18/17,746.79 = 7,881.14/x
  3. Step 3: Cross multiply
    11,827.18x = 17,746.79 × 7,881.14
  4. Step 4: Simplify right side
    11,827.18x = 139,864,936.54
  5. Step 5: Solve for x
    x = 139,864,936.54/11,827.18
  6. Step 6: Final answer
    x = 11,825.72

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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.