Home / 13,961.77-19,268.08-7,993.28

Finding the Fourth Proportional to 13,961.77, 19,268.08 and 7,993.28

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Solution

The fourth proportional to 13,961.77, 19,268.08 and 7,993.28 is: 11,031.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.77 : 19,268.08 = 7,993.28 : x
  2. Step 2: Convert to fraction form
    13,961.77/19,268.08 = 7,993.28/x
  3. Step 3: Cross multiply
    13,961.77x = 19,268.08 × 7,993.28
  4. Step 4: Simplify right side
    13,961.77x = 154,015,186.69
  5. Step 5: Solve for x
    x = 154,015,186.69/13,961.77
  6. Step 6: Final answer
    x = 11,031.21

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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.