Home / 13,286.77-19,905.85-6,272.58

Finding the Fourth Proportional to 13,286.77, 19,905.85 and 6,272.58

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Solution

The fourth proportional to 13,286.77, 19,905.85 and 6,272.58 is: 9,397.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286.77 : 19,905.85 = 6,272.58 : x
  2. Step 2: Convert to fraction form
    13,286.77/19,905.85 = 6,272.58/x
  3. Step 3: Cross multiply
    13,286.77x = 19,905.85 × 6,272.58
  4. Step 4: Simplify right side
    13,286.77x = 124,861,036.59
  5. Step 5: Solve for x
    x = 124,861,036.59/13,286.77
  6. Step 6: Final answer
    x = 9,397.40

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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.