Home / 11,405.39-17,117.30-4,836.19

Finding the Fourth Proportional to 11,405.39, 17,117.30 and 4,836.19

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Solution

The fourth proportional to 11,405.39, 17,117.30 and 4,836.19 is: 7,258.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,405.39 : 17,117.30 = 4,836.19 : x
  2. Step 2: Convert to fraction form
    11,405.39/17,117.30 = 4,836.19/x
  3. Step 3: Cross multiply
    11,405.39x = 17,117.30 × 4,836.19
  4. Step 4: Simplify right side
    11,405.39x = 82,782,484.38
  5. Step 5: Solve for x
    x = 82,782,484.38/11,405.39
  6. Step 6: Final answer
    x = 7,258.19

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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.