Home / 14,389.48-19,858.26-8,102.44

Finding the Fourth Proportional to 14,389.48, 19,858.26 and 8,102.44

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Solution

The fourth proportional to 14,389.48, 19,858.26 and 8,102.44 is: 11,181.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389.48 : 19,858.26 = 8,102.44 : x
  2. Step 2: Convert to fraction form
    14,389.48/19,858.26 = 8,102.44/x
  3. Step 3: Cross multiply
    14,389.48x = 19,858.26 × 8,102.44
  4. Step 4: Simplify right side
    14,389.48x = 160,900,360.15
  5. Step 5: Solve for x
    x = 160,900,360.15/14,389.48
  6. Step 6: Final answer
    x = 11,181.81

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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.