Home / 18,887.19-28,297.97-13,252.93

Finding the Fourth Proportional to 18,887.19, 28,297.97 and 13,252.93

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Solution

The fourth proportional to 18,887.19, 28,297.97 and 13,252.93 is: 19,856.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887.19 : 28,297.97 = 13,252.93 : x
  2. Step 2: Convert to fraction form
    18,887.19/28,297.97 = 13,252.93/x
  3. Step 3: Cross multiply
    18,887.19x = 28,297.97 × 13,252.93
  4. Step 4: Simplify right side
    18,887.19x = 375,031,161.96
  5. Step 5: Solve for x
    x = 375,031,161.96/18,887.19
  6. Step 6: Final answer
    x = 19,856.37

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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.