Home / 13,840.46-20,762.72-4,477.35

Finding the Fourth Proportional to 13,840.46, 20,762.72 and 4,477.35

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Solution

The fourth proportional to 13,840.46, 20,762.72 and 4,477.35 is: 6,716.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840.46 : 20,762.72 = 4,477.35 : x
  2. Step 2: Convert to fraction form
    13,840.46/20,762.72 = 4,477.35/x
  3. Step 3: Cross multiply
    13,840.46x = 20,762.72 × 4,477.35
  4. Step 4: Simplify right side
    13,840.46x = 92,961,942.01
  5. Step 5: Solve for x
    x = 92,961,942.01/13,840.46
  6. Step 6: Final answer
    x = 6,716.68

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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.