Home / 13,764.81-18,995.66-7,796.32

Finding the Fourth Proportional to 13,764.81, 18,995.66 and 7,796.32

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Solution

The fourth proportional to 13,764.81, 18,995.66 and 7,796.32 is: 10,759.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.81 : 18,995.66 = 7,796.32 : x
  2. Step 2: Convert to fraction form
    13,764.81/18,995.66 = 7,796.32/x
  3. Step 3: Cross multiply
    13,764.81x = 18,995.66 × 7,796.32
  4. Step 4: Simplify right side
    13,764.81x = 148,096,243.97
  5. Step 5: Solve for x
    x = 148,096,243.97/13,764.81
  6. Step 6: Final answer
    x = 10,759.05

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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.