Home / 13,736.70-18,954.84-8,954.46

Finding the Fourth Proportional to 13,736.70, 18,954.84 and 8,954.46

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Solution

The fourth proportional to 13,736.70, 18,954.84 and 8,954.46 is: 12,355.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.70 : 18,954.84 = 8,954.46 : x
  2. Step 2: Convert to fraction form
    13,736.70/18,954.84 = 8,954.46/x
  3. Step 3: Cross multiply
    13,736.70x = 18,954.84 × 8,954.46
  4. Step 4: Simplify right side
    13,736.70x = 169,730,356.59
  5. Step 5: Solve for x
    x = 169,730,356.59/13,736.70
  6. Step 6: Final answer
    x = 12,355.98

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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.