Home / 13,850.03-19,114.64-7,800.32

Finding the Fourth Proportional to 13,850.03, 19,114.64 and 7,800.32

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Solution

The fourth proportional to 13,850.03, 19,114.64 and 7,800.32 is: 10,765.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.03 : 19,114.64 = 7,800.32 : x
  2. Step 2: Convert to fraction form
    13,850.03/19,114.64 = 7,800.32/x
  3. Step 3: Cross multiply
    13,850.03x = 19,114.64 × 7,800.32
  4. Step 4: Simplify right side
    13,850.03x = 149,100,308.68
  5. Step 5: Solve for x
    x = 149,100,308.68/13,850.03
  6. Step 6: Final answer
    x = 10,765.34

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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.