Home / 13,966.16-19,274.93-7,999.73

Finding the Fourth Proportional to 13,966.16, 19,274.93 and 7,999.73

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Solution

The fourth proportional to 13,966.16, 19,274.93 and 7,999.73 is: 11,040.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.16 : 19,274.93 = 7,999.73 : x
  2. Step 2: Convert to fraction form
    13,966.16/19,274.93 = 7,999.73/x
  3. Step 3: Cross multiply
    13,966.16x = 19,274.93 × 7,999.73
  4. Step 4: Simplify right side
    13,966.16x = 154,194,201.68
  5. Step 5: Solve for x
    x = 154,194,201.68/13,966.16
  6. Step 6: Final answer
    x = 11,040.56

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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.