Home / 10,138.05-13,994.78-6,160.44

Finding the Fourth Proportional to 10,138.05, 13,994.78 and 6,160.44

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Solution

The fourth proportional to 10,138.05, 13,994.78 and 6,160.44 is: 8,504.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,138.05 : 13,994.78 = 6,160.44 : x
  2. Step 2: Convert to fraction form
    10,138.05/13,994.78 = 6,160.44/x
  3. Step 3: Cross multiply
    10,138.05x = 13,994.78 × 6,160.44
  4. Step 4: Simplify right side
    10,138.05x = 86,213,971.70
  5. Step 5: Solve for x
    x = 86,213,971.70/10,138.05
  6. Step 6: Final answer
    x = 8,504.00

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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.