Home / 12,039.30-18,059.04-3,274.20

Finding the Fourth Proportional to 12,039.30, 18,059.04 and 3,274.20

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Solution

The fourth proportional to 12,039.30, 18,059.04 and 3,274.20 is: 4,911.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039.30 : 18,059.04 = 3,274.20 : x
  2. Step 2: Convert to fraction form
    12,039.30/18,059.04 = 3,274.20/x
  3. Step 3: Cross multiply
    12,039.30x = 18,059.04 × 3,274.20
  4. Step 4: Simplify right side
    12,039.30x = 59,128,908.77
  5. Step 5: Solve for x
    x = 59,128,908.77/12,039.30
  6. Step 6: Final answer
    x = 4,911.32

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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.