Home / 13,963.73-19,267.81-8,298.35

Finding the Fourth Proportional to 13,963.73, 19,267.81 and 8,298.35

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Solution

The fourth proportional to 13,963.73, 19,267.81 and 8,298.35 is: 11,450.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.73 : 19,267.81 = 8,298.35 : x
  2. Step 2: Convert to fraction form
    13,963.73/19,267.81 = 8,298.35/x
  3. Step 3: Cross multiply
    13,963.73x = 19,267.81 × 8,298.35
  4. Step 4: Simplify right side
    13,963.73x = 159,890,986.28
  5. Step 5: Solve for x
    x = 159,890,986.28/13,963.73
  6. Step 6: Final answer
    x = 11,450.45

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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.