Home / 18,896.04-28,344.06-8,495.64

Finding the Fourth Proportional to 18,896.04, 28,344.06 and 8,495.64

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Solution

The fourth proportional to 18,896.04, 28,344.06 and 8,495.64 is: 12,743.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,896.04 : 28,344.06 = 8,495.64 : x
  2. Step 2: Convert to fraction form
    18,896.04/28,344.06 = 8,495.64/x
  3. Step 3: Cross multiply
    18,896.04x = 28,344.06 × 8,495.64
  4. Step 4: Simplify right side
    18,896.04x = 240,800,929.90
  5. Step 5: Solve for x
    x = 240,800,929.90/18,896.04
  6. Step 6: Final answer
    x = 12,743.46

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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.