Home / 12,147.54-18,219.96-3,263.63

Finding the Fourth Proportional to 12,147.54, 18,219.96 and 3,263.63

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Solution

The fourth proportional to 12,147.54, 18,219.96 and 3,263.63 is: 4,895.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,147.54 : 18,219.96 = 3,263.63 : x
  2. Step 2: Convert to fraction form
    12,147.54/18,219.96 = 3,263.63/x
  3. Step 3: Cross multiply
    12,147.54x = 18,219.96 × 3,263.63
  4. Step 4: Simplify right side
    12,147.54x = 59,463,116.96
  5. Step 5: Solve for x
    x = 59,463,116.96/12,147.54
  6. Step 6: Final answer
    x = 4,895.07

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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.