Home / 11,677.56-17,513.16-3,885.36

Finding the Fourth Proportional to 11,677.56, 17,513.16 and 3,885.36

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Solution

The fourth proportional to 11,677.56, 17,513.16 and 3,885.36 is: 5,826.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,677.56 : 17,513.16 = 3,885.36 : x
  2. Step 2: Convert to fraction form
    11,677.56/17,513.16 = 3,885.36/x
  3. Step 3: Cross multiply
    11,677.56x = 17,513.16 × 3,885.36
  4. Step 4: Simplify right side
    11,677.56x = 68,044,931.34
  5. Step 5: Solve for x
    x = 68,044,931.34/11,677.56
  6. Step 6: Final answer
    x = 5,826.98

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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.