Home / 11,302.81-16,954.08-5,455.28

Finding the Fourth Proportional to 11,302.81, 16,954.08 and 5,455.28

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Solution

The fourth proportional to 11,302.81, 16,954.08 and 5,455.28 is: 8,182.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,302.81 : 16,954.08 = 5,455.28 : x
  2. Step 2: Convert to fraction form
    11,302.81/16,954.08 = 5,455.28/x
  3. Step 3: Cross multiply
    11,302.81x = 16,954.08 × 5,455.28
  4. Step 4: Simplify right side
    11,302.81x = 92,489,275.47
  5. Step 5: Solve for x
    x = 92,489,275.47/11,302.81
  6. Step 6: Final answer
    x = 8,182.86

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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.