Home / 12,219.48-18,327.90-8,295.96

Finding the Fourth Proportional to 12,219.48, 18,327.90 and 8,295.96

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Solution

The fourth proportional to 12,219.48, 18,327.90 and 8,295.96 is: 12,443.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219.48 : 18,327.90 = 8,295.96 : x
  2. Step 2: Convert to fraction form
    12,219.48/18,327.90 = 8,295.96/x
  3. Step 3: Cross multiply
    12,219.48x = 18,327.90 × 8,295.96
  4. Step 4: Simplify right side
    12,219.48x = 152,047,525.28
  5. Step 5: Solve for x
    x = 152,047,525.28/12,219.48
  6. Step 6: Final answer
    x = 12,443.04

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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.