Home / 16,420.80-24,626.24-6,561.44

Finding the Fourth Proportional to 16,420.80, 24,626.24 and 6,561.44

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Solution

The fourth proportional to 16,420.80, 24,626.24 and 6,561.44 is: 9,840.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,420.80 : 24,626.24 = 6,561.44 : x
  2. Step 2: Convert to fraction form
    16,420.80/24,626.24 = 6,561.44/x
  3. Step 3: Cross multiply
    16,420.80x = 24,626.24 × 6,561.44
  4. Step 4: Simplify right side
    16,420.80x = 161,583,596.19
  5. Step 5: Solve for x
    x = 161,583,596.19/16,420.80
  6. Step 6: Final answer
    x = 9,840.18

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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.