Home / 15,898.06-21,942.12-9,183.94

Finding the Fourth Proportional to 15,898.06, 21,942.12 and 9,183.94

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Solution

The fourth proportional to 15,898.06, 21,942.12 and 9,183.94 is: 12,675.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,898.06 : 21,942.12 = 9,183.94 : x
  2. Step 2: Convert to fraction form
    15,898.06/21,942.12 = 9,183.94/x
  3. Step 3: Cross multiply
    15,898.06x = 21,942.12 × 9,183.94
  4. Step 4: Simplify right side
    15,898.06x = 201,515,113.55
  5. Step 5: Solve for x
    x = 201,515,113.55/15,898.06
  6. Step 6: Final answer
    x = 12,675.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.