Home / 13,801.12-19,035.27-8,760.97

Finding the Fourth Proportional to 13,801.12, 19,035.27 and 8,760.97

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Solution

The fourth proportional to 13,801.12, 19,035.27 and 8,760.97 is: 12,083.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.12 : 19,035.27 = 8,760.97 : x
  2. Step 2: Convert to fraction form
    13,801.12/19,035.27 = 8,760.97/x
  3. Step 3: Cross multiply
    13,801.12x = 19,035.27 × 8,760.97
  4. Step 4: Simplify right side
    13,801.12x = 166,767,429.41
  5. Step 5: Solve for x
    x = 166,767,429.41/13,801.12
  6. Step 6: Final answer
    x = 12,083.62

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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.