Home / 13,317.93-19,981.62-5,921.73

Finding the Fourth Proportional to 13,317.93, 19,981.62 and 5,921.73

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Solution

The fourth proportional to 13,317.93, 19,981.62 and 5,921.73 is: 8,884.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317.93 : 19,981.62 = 5,921.73 : x
  2. Step 2: Convert to fraction form
    13,317.93/19,981.62 = 5,921.73/x
  3. Step 3: Cross multiply
    13,317.93x = 19,981.62 × 5,921.73
  4. Step 4: Simplify right side
    13,317.93x = 118,325,758.60
  5. Step 5: Solve for x
    x = 118,325,758.60/13,317.93
  6. Step 6: Final answer
    x = 8,884.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.