Home / 10,514.63-15,771.87-3,118.48

Finding the Fourth Proportional to 10,514.63, 15,771.87 and 3,118.48

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Solution

The fourth proportional to 10,514.63, 15,771.87 and 3,118.48 is: 4,677.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,514.63 : 15,771.87 = 3,118.48 : x
  2. Step 2: Convert to fraction form
    10,514.63/15,771.87 = 3,118.48/x
  3. Step 3: Cross multiply
    10,514.63x = 15,771.87 × 3,118.48
  4. Step 4: Simplify right side
    10,514.63x = 49,184,221.73
  5. Step 5: Solve for x
    x = 49,184,221.73/10,514.63
  6. Step 6: Final answer
    x = 4,677.69

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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.