Home / 13,987.92-19,297.26-8,018.22

Finding the Fourth Proportional to 13,987.92, 19,297.26 and 8,018.22

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Solution

The fourth proportional to 13,987.92, 19,297.26 and 8,018.22 is: 11,061.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,987.92 : 19,297.26 = 8,018.22 : x
  2. Step 2: Convert to fraction form
    13,987.92/19,297.26 = 8,018.22/x
  3. Step 3: Cross multiply
    13,987.92x = 19,297.26 × 8,018.22
  4. Step 4: Simplify right side
    13,987.92x = 154,729,676.08
  5. Step 5: Solve for x
    x = 154,729,676.08/13,987.92
  6. Step 6: Final answer
    x = 11,061.66

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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.