Home / 12,000.73-18,004.43-3,681.02

Finding the Fourth Proportional to 12,000.73, 18,004.43 and 3,681.02

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Solution

The fourth proportional to 12,000.73, 18,004.43 and 3,681.02 is: 5,522.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,000.73 : 18,004.43 = 3,681.02 : x
  2. Step 2: Convert to fraction form
    12,000.73/18,004.43 = 3,681.02/x
  3. Step 3: Cross multiply
    12,000.73x = 18,004.43 × 3,681.02
  4. Step 4: Simplify right side
    12,000.73x = 66,274,586.10
  5. Step 5: Solve for x
    x = 66,274,586.10/12,000.73
  6. Step 6: Final answer
    x = 5,522.55

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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.