Home / 9,613.26-14,420.46-2,687.76

Finding the Fourth Proportional to 9,613.26, 14,420.46 and 2,687.76

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Solution

The fourth proportional to 9,613.26, 14,420.46 and 2,687.76 is: 4,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,613.26 : 14,420.46 = 2,687.76 : x
  2. Step 2: Convert to fraction form
    9,613.26/14,420.46 = 2,687.76/x
  3. Step 3: Cross multiply
    9,613.26x = 14,420.46 × 2,687.76
  4. Step 4: Simplify right side
    9,613.26x = 38,758,735.57
  5. Step 5: Solve for x
    x = 38,758,735.57/9,613.26
  6. Step 6: Final answer
    x = 4,031.80

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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.