Home / 18,858.24-28,244.30-9,004.48

Finding the Fourth Proportional to 18,858.24, 28,244.30 and 9,004.48

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Solution

The fourth proportional to 18,858.24, 28,244.30 and 9,004.48 is: 13,486.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,858.24 : 28,244.30 = 9,004.48 : x
  2. Step 2: Convert to fraction form
    18,858.24/28,244.30 = 9,004.48/x
  3. Step 3: Cross multiply
    18,858.24x = 28,244.30 × 9,004.48
  4. Step 4: Simplify right side
    18,858.24x = 254,325,234.46
  5. Step 5: Solve for x
    x = 254,325,234.46/18,858.24
  6. Step 6: Final answer
    x = 13,486.16

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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.