Home / 10,267.44-14,172.90-7,994.28

Finding the Fourth Proportional to 10,267.44, 14,172.90 and 7,994.28

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Solution

The fourth proportional to 10,267.44, 14,172.90 and 7,994.28 is: 11,035.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,267.44 : 14,172.90 = 7,994.28 : x
  2. Step 2: Convert to fraction form
    10,267.44/14,172.90 = 7,994.28/x
  3. Step 3: Cross multiply
    10,267.44x = 14,172.90 × 7,994.28
  4. Step 4: Simplify right side
    10,267.44x = 113,302,131.01
  5. Step 5: Solve for x
    x = 113,302,131.01/10,267.44
  6. Step 6: Final answer
    x = 11,035.09

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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.