Home / 12,036.81-18,056.22-3,271.80

Finding the Fourth Proportional to 12,036.81, 18,056.22 and 3,271.80

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Solution

The fourth proportional to 12,036.81, 18,056.22 and 3,271.80 is: 4,907.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,036.81 : 18,056.22 = 3,271.80 : x
  2. Step 2: Convert to fraction form
    12,036.81/18,056.22 = 3,271.80/x
  3. Step 3: Cross multiply
    12,036.81x = 18,056.22 × 3,271.80
  4. Step 4: Simplify right side
    12,036.81x = 59,076,340.60
  5. Step 5: Solve for x
    x = 59,076,340.60/12,036.81
  6. Step 6: Final answer
    x = 4,907.97

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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.