Home / 12,022.60-18,024.30-5,091.40

Finding the Fourth Proportional to 12,022.60, 18,024.30 and 5,091.40

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Solution

The fourth proportional to 12,022.60, 18,024.30 and 5,091.40 is: 7,633.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,022.60 : 18,024.30 = 5,091.40 : x
  2. Step 2: Convert to fraction form
    12,022.60/18,024.30 = 5,091.40/x
  3. Step 3: Cross multiply
    12,022.60x = 18,024.30 × 5,091.40
  4. Step 4: Simplify right side
    12,022.60x = 91,768,921.02
  5. Step 5: Solve for x
    x = 91,768,921.02/12,022.60
  6. Step 6: Final answer
    x = 7,633.03

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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.