Home / 16,450.80-24,692.40-8,140.20

Finding the Fourth Proportional to 16,450.80, 24,692.40 and 8,140.20

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Solution

The fourth proportional to 16,450.80, 24,692.40 and 8,140.20 is: 12,218.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,450.80 : 24,692.40 = 8,140.20 : x
  2. Step 2: Convert to fraction form
    16,450.80/24,692.40 = 8,140.20/x
  3. Step 3: Cross multiply
    16,450.80x = 24,692.40 × 8,140.20
  4. Step 4: Simplify right side
    16,450.80x = 201,001,074.48
  5. Step 5: Solve for x
    x = 201,001,074.48/16,450.80
  6. Step 6: Final answer
    x = 12,218.32

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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.