Home / 18,684.36-28,023.30-6,995.16

Finding the Fourth Proportional to 18,684.36, 28,023.30 and 6,995.16

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Solution

The fourth proportional to 18,684.36, 28,023.30 and 6,995.16 is: 10,491.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684.36 : 28,023.30 = 6,995.16 : x
  2. Step 2: Convert to fraction form
    18,684.36/28,023.30 = 6,995.16/x
  3. Step 3: Cross multiply
    18,684.36x = 28,023.30 × 6,995.16
  4. Step 4: Simplify right side
    18,684.36x = 196,027,467.23
  5. Step 5: Solve for x
    x = 196,027,467.23/18,684.36
  6. Step 6: Final answer
    x = 10,491.53

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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.