Home / 16,112.80-24,181.20-8,317.60

Finding the Fourth Proportional to 16,112.80, 24,181.20 and 8,317.60

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Solution

The fourth proportional to 16,112.80, 24,181.20 and 8,317.60 is: 12,482.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,112.80 : 24,181.20 = 8,317.60 : x
  2. Step 2: Convert to fraction form
    16,112.80/24,181.20 = 8,317.60/x
  3. Step 3: Cross multiply
    16,112.80x = 24,181.20 × 8,317.60
  4. Step 4: Simplify right side
    16,112.80x = 201,129,549.12
  5. Step 5: Solve for x
    x = 201,129,549.12/16,112.80
  6. Step 6: Final answer
    x = 12,482.59

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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.