Home / 13,986.03-19,298.73-8,017.95

Finding the Fourth Proportional to 13,986.03, 19,298.73 and 8,017.95

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Solution

The fourth proportional to 13,986.03, 19,298.73 and 8,017.95 is: 11,063.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,986.03 : 19,298.73 = 8,017.95 : x
  2. Step 2: Convert to fraction form
    13,986.03/19,298.73 = 8,017.95/x
  3. Step 3: Cross multiply
    13,986.03x = 19,298.73 × 8,017.95
  4. Step 4: Simplify right side
    13,986.03x = 154,736,252.20
  5. Step 5: Solve for x
    x = 154,736,252.20/13,986.03
  6. Step 6: Final answer
    x = 11,063.63

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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.