Home / 12,647.48-18,956.43-9,517.46

Finding the Fourth Proportional to 12,647.48, 18,956.43 and 9,517.46

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Solution

The fourth proportional to 12,647.48, 18,956.43 and 9,517.46 is: 14,265.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,647.48 : 18,956.43 = 9,517.46 : x
  2. Step 2: Convert to fraction form
    12,647.48/18,956.43 = 9,517.46/x
  3. Step 3: Cross multiply
    12,647.48x = 18,956.43 × 9,517.46
  4. Step 4: Simplify right side
    12,647.48x = 180,416,969.49
  5. Step 5: Solve for x
    x = 180,416,969.49/12,647.48
  6. Step 6: Final answer
    x = 14,265.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.