Home / 18,140.10-27,193.71-6,450.58

Finding the Fourth Proportional to 18,140.10, 27,193.71 and 6,450.58

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Solution

The fourth proportional to 18,140.10, 27,193.71 and 6,450.58 is: 9,670.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140.10 : 27,193.71 = 6,450.58 : x
  2. Step 2: Convert to fraction form
    18,140.10/27,193.71 = 6,450.58/x
  3. Step 3: Cross multiply
    18,140.10x = 27,193.71 × 6,450.58
  4. Step 4: Simplify right side
    18,140.10x = 175,415,201.85
  5. Step 5: Solve for x
    x = 175,415,201.85/18,140.10
  6. Step 6: Final answer
    x = 9,670.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.