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Finding the Fourth Proportional to 12,617.51, 17,401.03 and 9,259.85

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Solution

The fourth proportional to 12,617.51, 17,401.03 and 9,259.85 is: 12,770.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,617.51 : 17,401.03 = 9,259.85 : x
  2. Step 2: Convert to fraction form
    12,617.51/17,401.03 = 9,259.85/x
  3. Step 3: Cross multiply
    12,617.51x = 17,401.03 × 9,259.85
  4. Step 4: Simplify right side
    12,617.51x = 161,130,948.00
  5. Step 5: Solve for x
    x = 161,130,948.00/12,617.51
  6. Step 6: Final answer
    x = 12,770.43

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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.