Home / 14,138.21-19,514.24-8,173.59

Finding the Fourth Proportional to 14,138.21, 19,514.24 and 8,173.59

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Solution

The fourth proportional to 14,138.21, 19,514.24 and 8,173.59 is: 11,281.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,138.21 : 19,514.24 = 8,173.59 : x
  2. Step 2: Convert to fraction form
    14,138.21/19,514.24 = 8,173.59/x
  3. Step 3: Cross multiply
    14,138.21x = 19,514.24 × 8,173.59
  4. Step 4: Simplify right side
    14,138.21x = 159,501,356.05
  5. Step 5: Solve for x
    x = 159,501,356.05/14,138.21
  6. Step 6: Final answer
    x = 11,281.58

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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.