Home / 13,583.58-18,747.96-8,859.66

Finding the Fourth Proportional to 13,583.58, 18,747.96 and 8,859.66

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Solution

The fourth proportional to 13,583.58, 18,747.96 and 8,859.66 is: 12,228.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,583.58 : 18,747.96 = 8,859.66 : x
  2. Step 2: Convert to fraction form
    13,583.58/18,747.96 = 8,859.66/x
  3. Step 3: Cross multiply
    13,583.58x = 18,747.96 × 8,859.66
  4. Step 4: Simplify right side
    13,583.58x = 166,100,551.29
  5. Step 5: Solve for x
    x = 166,100,551.29/13,583.58
  6. Step 6: Final answer
    x = 12,228.04

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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.