Home / 14,289.42-19,726.23-9,517.30

Finding the Fourth Proportional to 14,289.42, 19,726.23 and 9,517.30

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Solution

The fourth proportional to 14,289.42, 19,726.23 and 9,517.30 is: 13,138.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.42 : 19,726.23 = 9,517.30 : x
  2. Step 2: Convert to fraction form
    14,289.42/19,726.23 = 9,517.30/x
  3. Step 3: Cross multiply
    14,289.42x = 19,726.23 × 9,517.30
  4. Step 4: Simplify right side
    14,289.42x = 187,740,448.78
  5. Step 5: Solve for x
    x = 187,740,448.78/14,289.42
  6. Step 6: Final answer
    x = 13,138.43

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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.