Home / 13,122.41-19,676.32-9,426.38

Finding the Fourth Proportional to 13,122.41, 19,676.32 and 9,426.38

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Solution

The fourth proportional to 13,122.41, 19,676.32 and 9,426.38 is: 14,134.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122.41 : 19,676.32 = 9,426.38 : x
  2. Step 2: Convert to fraction form
    13,122.41/19,676.32 = 9,426.38/x
  3. Step 3: Cross multiply
    13,122.41x = 19,676.32 × 9,426.38
  4. Step 4: Simplify right side
    13,122.41x = 185,476,347.37
  5. Step 5: Solve for x
    x = 185,476,347.37/13,122.41
  6. Step 6: Final answer
    x = 14,134.33

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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.