Home / 11,918.14-16,433.01-9,672.94

Finding the Fourth Proportional to 11,918.14, 16,433.01 and 9,672.94

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Solution

The fourth proportional to 11,918.14, 16,433.01 and 9,672.94 is: 13,337.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918.14 : 16,433.01 = 9,672.94 : x
  2. Step 2: Convert to fraction form
    11,918.14/16,433.01 = 9,672.94/x
  3. Step 3: Cross multiply
    11,918.14x = 16,433.01 × 9,672.94
  4. Step 4: Simplify right side
    11,918.14x = 158,955,519.75
  5. Step 5: Solve for x
    x = 158,955,519.75/11,918.14
  6. Step 6: Final answer
    x = 13,337.28

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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.