Home / 10,973.88-15,146.19-7,438.23

Finding the Fourth Proportional to 10,973.88, 15,146.19 and 7,438.23

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Solution

The fourth proportional to 10,973.88, 15,146.19 and 7,438.23 is: 10,266.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,973.88 : 15,146.19 = 7,438.23 : x
  2. Step 2: Convert to fraction form
    10,973.88/15,146.19 = 7,438.23/x
  3. Step 3: Cross multiply
    10,973.88x = 15,146.19 × 7,438.23
  4. Step 4: Simplify right side
    10,973.88x = 112,660,844.84
  5. Step 5: Solve for x
    x = 112,660,844.84/10,973.88
  6. Step 6: Final answer
    x = 10,266.27

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.