Home / 13,932.81-19,236.29-8,633.25

Finding the Fourth Proportional to 13,932.81, 19,236.29 and 8,633.25

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Solution

The fourth proportional to 13,932.81, 19,236.29 and 8,633.25 is: 11,919.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.81 : 19,236.29 = 8,633.25 : x
  2. Step 2: Convert to fraction form
    13,932.81/19,236.29 = 8,633.25/x
  3. Step 3: Cross multiply
    13,932.81x = 19,236.29 × 8,633.25
  4. Step 4: Simplify right side
    13,932.81x = 166,071,657.48
  5. Step 5: Solve for x
    x = 166,071,657.48/13,932.81
  6. Step 6: Final answer
    x = 11,919.47

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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.