Home / 11,301.48-16,938-8,015.40

Finding the Fourth Proportional to 11,301.48, 16,938 and 8,015.40

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Solution

The fourth proportional to 11,301.48, 16,938 and 8,015.40 is: 12,013.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,301.48 : 16,938 = 8,015.40 : x
  2. Step 2: Convert to fraction form
    11,301.48/16,938 = 8,015.40/x
  3. Step 3: Cross multiply
    11,301.48x = 16,938 × 8,015.40
  4. Step 4: Simplify right side
    11,301.48x = 135,764,845.20
  5. Step 5: Solve for x
    x = 135,764,845.20/11,301.48
  6. Step 6: Final answer
    x = 12,013.01

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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.