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Finding the Fourth Proportional to 9,613.74, 13,260.12 and 6,250.32

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Solution

The fourth proportional to 9,613.74, 13,260.12 and 6,250.32 is: 8,620.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,613.74 : 13,260.12 = 6,250.32 : x
  2. Step 2: Convert to fraction form
    9,613.74/13,260.12 = 6,250.32/x
  3. Step 3: Cross multiply
    9,613.74x = 13,260.12 × 6,250.32
  4. Step 4: Simplify right side
    9,613.74x = 82,879,993.24
  5. Step 5: Solve for x
    x = 82,879,993.24/9,613.74
  6. Step 6: Final answer
    x = 8,620.99

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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.