Home / 12,231.02-18,333.60-5,661.50

Finding the Fourth Proportional to 12,231.02, 18,333.60 and 5,661.50

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Solution

The fourth proportional to 12,231.02, 18,333.60 and 5,661.50 is: 8,486.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231.02 : 18,333.60 = 5,661.50 : x
  2. Step 2: Convert to fraction form
    12,231.02/18,333.60 = 5,661.50/x
  3. Step 3: Cross multiply
    12,231.02x = 18,333.60 × 5,661.50
  4. Step 4: Simplify right side
    12,231.02x = 103,795,676.40
  5. Step 5: Solve for x
    x = 103,795,676.40/12,231.02
  6. Step 6: Final answer
    x = 8,486.26

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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.