Home / 19,514.70-29,272.12-4,723.59

Finding the Fourth Proportional to 19,514.70, 29,272.12 and 4,723.59

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Solution

The fourth proportional to 19,514.70, 29,272.12 and 4,723.59 is: 7,085.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,514.70 : 29,272.12 = 4,723.59 : x
  2. Step 2: Convert to fraction form
    19,514.70/29,272.12 = 4,723.59/x
  3. Step 3: Cross multiply
    19,514.70x = 29,272.12 × 4,723.59
  4. Step 4: Simplify right side
    19,514.70x = 138,269,528.87
  5. Step 5: Solve for x
    x = 138,269,528.87/19,514.70
  6. Step 6: Final answer
    x = 7,085.40

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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.