Home / 13,936.76-19,232.74-7,969.59

Finding the Fourth Proportional to 13,936.76, 19,232.74 and 7,969.59

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Solution

The fourth proportional to 13,936.76, 19,232.74 and 7,969.59 is: 10,998.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.76 : 19,232.74 = 7,969.59 : x
  2. Step 2: Convert to fraction form
    13,936.76/19,232.74 = 7,969.59/x
  3. Step 3: Cross multiply
    13,936.76x = 19,232.74 × 7,969.59
  4. Step 4: Simplify right side
    13,936.76x = 153,277,062.34
  5. Step 5: Solve for x
    x = 153,277,062.34/13,936.76
  6. Step 6: Final answer
    x = 10,998.04

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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.