Home / 11,817.40-17,711.70-5,236.60

Finding the Fourth Proportional to 11,817.40, 17,711.70 and 5,236.60

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Solution

The fourth proportional to 11,817.40, 17,711.70 and 5,236.60 is: 7,848.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817.40 : 17,711.70 = 5,236.60 : x
  2. Step 2: Convert to fraction form
    11,817.40/17,711.70 = 5,236.60/x
  3. Step 3: Cross multiply
    11,817.40x = 17,711.70 × 5,236.60
  4. Step 4: Simplify right side
    11,817.40x = 92,749,088.22
  5. Step 5: Solve for x
    x = 92,749,088.22/11,817.40
  6. Step 6: Final answer
    x = 7,848.52

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1.5x scale

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.