Home / 13,983.12-19,297.16-8,015.91

Finding the Fourth Proportional to 13,983.12, 19,297.16 and 8,015.91

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Solution

The fourth proportional to 13,983.12, 19,297.16 and 8,015.91 is: 11,062.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.12 : 19,297.16 = 8,015.91 : x
  2. Step 2: Convert to fraction form
    13,983.12/19,297.16 = 8,015.91/x
  3. Step 3: Cross multiply
    13,983.12x = 19,297.16 × 8,015.91
  4. Step 4: Simplify right side
    13,983.12x = 154,684,360.16
  5. Step 5: Solve for x
    x = 154,684,360.16/13,983.12
  6. Step 6: Final answer
    x = 11,062.22

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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.