Home / 18,739.08-28,109.52-5,592.48

Finding the Fourth Proportional to 18,739.08, 28,109.52 and 5,592.48

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Solution

The fourth proportional to 18,739.08, 28,109.52 and 5,592.48 is: 8,388.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,739.08 : 28,109.52 = 5,592.48 : x
  2. Step 2: Convert to fraction form
    18,739.08/28,109.52 = 5,592.48/x
  3. Step 3: Cross multiply
    18,739.08x = 28,109.52 × 5,592.48
  4. Step 4: Simplify right side
    18,739.08x = 157,201,928.41
  5. Step 5: Solve for x
    x = 157,201,928.41/18,739.08
  6. Step 6: Final answer
    x = 8,388.99

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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.