Home / 10,514.07-15,768.68-3,116.75

Finding the Fourth Proportional to 10,514.07, 15,768.68 and 3,116.75

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Solution

The fourth proportional to 10,514.07, 15,768.68 and 3,116.75 is: 4,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,514.07 : 15,768.68 = 3,116.75 : x
  2. Step 2: Convert to fraction form
    10,514.07/15,768.68 = 3,116.75/x
  3. Step 3: Cross multiply
    10,514.07x = 15,768.68 × 3,116.75
  4. Step 4: Simplify right side
    10,514.07x = 49,146,992.08
  5. Step 5: Solve for x
    x = 49,146,992.08/10,514.07
  6. Step 6: Final answer
    x = 4,674.40

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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.