Home / 12,205.02-18,317.25-4,812.96

Finding the Fourth Proportional to 12,205.02, 18,317.25 and 4,812.96

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Solution

The fourth proportional to 12,205.02, 18,317.25 and 4,812.96 is: 7,223.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,205.02 : 18,317.25 = 4,812.96 : x
  2. Step 2: Convert to fraction form
    12,205.02/18,317.25 = 4,812.96/x
  3. Step 3: Cross multiply
    12,205.02x = 18,317.25 × 4,812.96
  4. Step 4: Simplify right side
    12,205.02x = 88,160,191.56
  5. Step 5: Solve for x
    x = 88,160,191.56/12,205.02
  6. Step 6: Final answer
    x = 7,223.27

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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.