Home / 11,703.70-17,555.56-2,938.60

Finding the Fourth Proportional to 11,703.70, 17,555.56 and 2,938.60

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Solution

The fourth proportional to 11,703.70, 17,555.56 and 2,938.60 is: 4,407.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.70 : 17,555.56 = 2,938.60 : x
  2. Step 2: Convert to fraction form
    11,703.70/17,555.56 = 2,938.60/x
  3. Step 3: Cross multiply
    11,703.70x = 17,555.56 × 2,938.60
  4. Step 4: Simplify right side
    11,703.70x = 51,588,768.62
  5. Step 5: Solve for x
    x = 51,588,768.62/11,703.70
  6. Step 6: Final answer
    x = 4,407.90

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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.