Home / 13,768.44-18,994.23-8,461.32

Finding the Fourth Proportional to 13,768.44, 18,994.23 and 8,461.32

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Solution

The fourth proportional to 13,768.44, 18,994.23 and 8,461.32 is: 11,672.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,768.44 : 18,994.23 = 8,461.32 : x
  2. Step 2: Convert to fraction form
    13,768.44/18,994.23 = 8,461.32/x
  3. Step 3: Cross multiply
    13,768.44x = 18,994.23 × 8,461.32
  4. Step 4: Simplify right side
    13,768.44x = 160,716,258.18
  5. Step 5: Solve for x
    x = 160,716,258.18/13,768.44
  6. Step 6: Final answer
    x = 11,672.80

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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.