Home / 11,294.40-16,938.36-3,898.56

Finding the Fourth Proportional to 11,294.40, 16,938.36 and 3,898.56

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Solution

The fourth proportional to 11,294.40, 16,938.36 and 3,898.56 is: 5,846.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,294.40 : 16,938.36 = 3,898.56 : x
  2. Step 2: Convert to fraction form
    11,294.40/16,938.36 = 3,898.56/x
  3. Step 3: Cross multiply
    11,294.40x = 16,938.36 × 3,898.56
  4. Step 4: Simplify right side
    11,294.40x = 66,035,212.76
  5. Step 5: Solve for x
    x = 66,035,212.76/11,294.40
  6. Step 6: Final answer
    x = 5,846.72

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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.