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Finding the Fourth Proportional to 12,674.44, 17,466.06 and 9,130.96

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Solution

The fourth proportional to 12,674.44, 17,466.06 and 9,130.96 is: 12,582.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,674.44 : 17,466.06 = 9,130.96 : x
  2. Step 2: Convert to fraction form
    12,674.44/17,466.06 = 9,130.96/x
  3. Step 3: Cross multiply
    12,674.44x = 17,466.06 × 9,130.96
  4. Step 4: Simplify right side
    12,674.44x = 159,481,895.22
  5. Step 5: Solve for x
    x = 159,481,895.22/12,674.44
  6. Step 6: Final answer
    x = 12,582.95

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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.