Home / 12,295.45-18,443.13-5,274.87

Finding the Fourth Proportional to 12,295.45, 18,443.13 and 5,274.87

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Solution

The fourth proportional to 12,295.45, 18,443.13 and 5,274.87 is: 7,912.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295.45 : 18,443.13 = 5,274.87 : x
  2. Step 2: Convert to fraction form
    12,295.45/18,443.13 = 5,274.87/x
  3. Step 3: Cross multiply
    12,295.45x = 18,443.13 × 5,274.87
  4. Step 4: Simplify right side
    12,295.45x = 97,285,113.14
  5. Step 5: Solve for x
    x = 97,285,113.14/12,295.45
  6. Step 6: Final answer
    x = 7,912.29

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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.