Home / 13,294.36-18,350.82-8,262.40

Finding the Fourth Proportional to 13,294.36, 18,350.82 and 8,262.40

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Solution

The fourth proportional to 13,294.36, 18,350.82 and 8,262.40 is: 11,404.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.36 : 18,350.82 = 8,262.40 : x
  2. Step 2: Convert to fraction form
    13,294.36/18,350.82 = 8,262.40/x
  3. Step 3: Cross multiply
    13,294.36x = 18,350.82 × 8,262.40
  4. Step 4: Simplify right side
    13,294.36x = 151,621,815.17
  5. Step 5: Solve for x
    x = 151,621,815.17/13,294.36
  6. Step 6: Final answer
    x = 11,404.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.