Home / 13,010.58-19,518.97-4,245.50

Finding the Fourth Proportional to 13,010.58, 19,518.97 and 4,245.50

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Solution

The fourth proportional to 13,010.58, 19,518.97 and 4,245.50 is: 6,369.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.58 : 19,518.97 = 4,245.50 : x
  2. Step 2: Convert to fraction form
    13,010.58/19,518.97 = 4,245.50/x
  3. Step 3: Cross multiply
    13,010.58x = 19,518.97 × 4,245.50
  4. Step 4: Simplify right side
    13,010.58x = 82,867,787.14
  5. Step 5: Solve for x
    x = 82,867,787.14/13,010.58
  6. Step 6: Final answer
    x = 6,369.26

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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.