Home / 10,514.99-15,770.06-3,117.67

Finding the Fourth Proportional to 10,514.99, 15,770.06 and 3,117.67

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Solution

The fourth proportional to 10,514.99, 15,770.06 and 3,117.67 is: 4,675.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,514.99 : 15,770.06 = 3,117.67 : x
  2. Step 2: Convert to fraction form
    10,514.99/15,770.06 = 3,117.67/x
  3. Step 3: Cross multiply
    10,514.99x = 15,770.06 × 3,117.67
  4. Step 4: Simplify right side
    10,514.99x = 49,165,748.52
  5. Step 5: Solve for x
    x = 49,165,748.52/10,514.99
  6. Step 6: Final answer
    x = 4,675.78

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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.