Home / 13,189.32-19,783.98-5,295.44

Finding the Fourth Proportional to 13,189.32, 19,783.98 and 5,295.44

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Solution

The fourth proportional to 13,189.32, 19,783.98 and 5,295.44 is: 7,943.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,189.32 : 19,783.98 = 5,295.44 : x
  2. Step 2: Convert to fraction form
    13,189.32/19,783.98 = 5,295.44/x
  3. Step 3: Cross multiply
    13,189.32x = 19,783.98 × 5,295.44
  4. Step 4: Simplify right side
    13,189.32x = 104,764,879.05
  5. Step 5: Solve for x
    x = 104,764,879.05/13,189.32
  6. Step 6: Final answer
    x = 7,943.16

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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.