Home / 13,573.19-18,732.55-8,268.01

Finding the Fourth Proportional to 13,573.19, 18,732.55 and 8,268.01

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Solution

The fourth proportional to 13,573.19, 18,732.55 and 8,268.01 is: 11,410.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573.19 : 18,732.55 = 8,268.01 : x
  2. Step 2: Convert to fraction form
    13,573.19/18,732.55 = 8,268.01/x
  3. Step 3: Cross multiply
    13,573.19x = 18,732.55 × 8,268.01
  4. Step 4: Simplify right side
    13,573.19x = 154,880,910.73
  5. Step 5: Solve for x
    x = 154,880,910.73/13,573.19
  6. Step 6: Final answer
    x = 11,410.80

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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.