Home / 10,514.20-15,768.62-3,116.93

Finding the Fourth Proportional to 10,514.20, 15,768.62 and 3,116.93

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Solution

The fourth proportional to 10,514.20, 15,768.62 and 3,116.93 is: 4,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,514.20 : 15,768.62 = 3,116.93 : x
  2. Step 2: Convert to fraction form
    10,514.20/15,768.62 = 3,116.93/x
  3. Step 3: Cross multiply
    10,514.20x = 15,768.62 × 3,116.93
  4. Step 4: Simplify right side
    10,514.20x = 49,149,684.74
  5. Step 5: Solve for x
    x = 49,149,684.74/10,514.20
  6. Step 6: Final answer
    x = 4,674.60

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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.