Home / 12,303.26-18,445.94-4,905.50

Finding the Fourth Proportional to 12,303.26, 18,445.94 and 4,905.50

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Solution

The fourth proportional to 12,303.26, 18,445.94 and 4,905.50 is: 7,354.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303.26 : 18,445.94 = 4,905.50 : x
  2. Step 2: Convert to fraction form
    12,303.26/18,445.94 = 4,905.50/x
  3. Step 3: Cross multiply
    12,303.26x = 18,445.94 × 4,905.50
  4. Step 4: Simplify right side
    12,303.26x = 90,486,466.44
  5. Step 5: Solve for x
    x = 90,486,466.44/12,303.26
  6. Step 6: Final answer
    x = 7,354.68

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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.