Home / 13,157.82-19,736.73-5,263.89

Finding the Fourth Proportional to 13,157.82, 19,736.73 and 5,263.89

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Solution

The fourth proportional to 13,157.82, 19,736.73 and 5,263.89 is: 7,895.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,157.82 : 19,736.73 = 5,263.89 : x
  2. Step 2: Convert to fraction form
    13,157.82/19,736.73 = 5,263.89/x
  3. Step 3: Cross multiply
    13,157.82x = 19,736.73 × 5,263.89
  4. Step 4: Simplify right side
    13,157.82x = 103,891,975.68
  5. Step 5: Solve for x
    x = 103,891,975.68/13,157.82
  6. Step 6: Final answer
    x = 7,895.84

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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.