Home / 13,850.58-19,117.89-9,660.18

Finding the Fourth Proportional to 13,850.58, 19,117.89 and 9,660.18

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Solution

The fourth proportional to 13,850.58, 19,117.89 and 9,660.18 is: 13,333.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.58 : 19,117.89 = 9,660.18 : x
  2. Step 2: Convert to fraction form
    13,850.58/19,117.89 = 9,660.18/x
  3. Step 3: Cross multiply
    13,850.58x = 19,117.89 × 9,660.18
  4. Step 4: Simplify right side
    13,850.58x = 184,682,258.62
  5. Step 5: Solve for x
    x = 184,682,258.62/13,850.58
  6. Step 6: Final answer
    x = 13,333.90

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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.