Home / 13,983.40-19,297.54-8,016.20

Finding the Fourth Proportional to 13,983.40, 19,297.54 and 8,016.20

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Solution

The fourth proportional to 13,983.40, 19,297.54 and 8,016.20 is: 11,062.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.40 : 19,297.54 = 8,016.20 : x
  2. Step 2: Convert to fraction form
    13,983.40/19,297.54 = 8,016.20/x
  3. Step 3: Cross multiply
    13,983.40x = 19,297.54 × 8,016.20
  4. Step 4: Simplify right side
    13,983.40x = 154,692,940.15
  5. Step 5: Solve for x
    x = 154,692,940.15/13,983.40
  6. Step 6: Final answer
    x = 11,062.61

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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.