Home / 9,690.42-13,367.76-6,149.90

Finding the Fourth Proportional to 9,690.42, 13,367.76 and 6,149.90

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Solution

The fourth proportional to 9,690.42, 13,367.76 and 6,149.90 is: 8,483.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,690.42 : 13,367.76 = 6,149.90 : x
  2. Step 2: Convert to fraction form
    9,690.42/13,367.76 = 6,149.90/x
  3. Step 3: Cross multiply
    9,690.42x = 13,367.76 × 6,149.90
  4. Step 4: Simplify right side
    9,690.42x = 82,210,387.22
  5. Step 5: Solve for x
    x = 82,210,387.22/9,690.42
  6. Step 6: Final answer
    x = 8,483.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.