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Finding the Fourth Proportional to 12,513.84, 17,268.94 and 6,848.68

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Solution

The fourth proportional to 12,513.84, 17,268.94 and 6,848.68 is: 9,451.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513.84 : 17,268.94 = 6,848.68 : x
  2. Step 2: Convert to fraction form
    12,513.84/17,268.94 = 6,848.68/x
  3. Step 3: Cross multiply
    12,513.84x = 17,268.94 × 6,848.68
  4. Step 4: Simplify right side
    12,513.84x = 118,269,444.00
  5. Step 5: Solve for x
    x = 118,269,444.00/12,513.84
  6. Step 6: Final answer
    x = 9,451.09

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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.