Home / 14,138.08-19,514.06-8,173.47

Finding the Fourth Proportional to 14,138.08, 19,514.06 and 8,173.47

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Solution

The fourth proportional to 14,138.08, 19,514.06 and 8,173.47 is: 11,281.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,138.08 : 19,514.06 = 8,173.47 : x
  2. Step 2: Convert to fraction form
    14,138.08/19,514.06 = 8,173.47/x
  3. Step 3: Cross multiply
    14,138.08x = 19,514.06 × 8,173.47
  4. Step 4: Simplify right side
    14,138.08x = 159,497,583.99
  5. Step 5: Solve for x
    x = 159,497,583.99/14,138.08
  6. Step 6: Final answer
    x = 11,281.42

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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.