Home / 13,942.36-19,239.80-7,568.81

Finding the Fourth Proportional to 13,942.36, 19,239.80 and 7,568.81

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Solution

The fourth proportional to 13,942.36, 19,239.80 and 7,568.81 is: 10,444.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.36 : 19,239.80 = 7,568.81 : x
  2. Step 2: Convert to fraction form
    13,942.36/19,239.80 = 7,568.81/x
  3. Step 3: Cross multiply
    13,942.36x = 19,239.80 × 7,568.81
  4. Step 4: Simplify right side
    13,942.36x = 145,622,390.64
  5. Step 5: Solve for x
    x = 145,622,390.64/13,942.36
  6. Step 6: Final answer
    x = 10,444.60

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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.