Home / 13,351.38-20,026.94-9,386.28

Finding the Fourth Proportional to 13,351.38, 20,026.94 and 9,386.28

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Solution

The fourth proportional to 13,351.38, 20,026.94 and 9,386.28 is: 14,079.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351.38 : 20,026.94 = 9,386.28 : x
  2. Step 2: Convert to fraction form
    13,351.38/20,026.94 = 9,386.28/x
  3. Step 3: Cross multiply
    13,351.38x = 20,026.94 × 9,386.28
  4. Step 4: Simplify right side
    13,351.38x = 187,978,466.38
  5. Step 5: Solve for x
    x = 187,978,466.38/13,351.38
  6. Step 6: Final answer
    x = 14,079.33

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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.