Home / 12,477.66-18,719.46-4,157.73

Finding the Fourth Proportional to 12,477.66, 18,719.46 and 4,157.73

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Solution

The fourth proportional to 12,477.66, 18,719.46 and 4,157.73 is: 6,237.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477.66 : 18,719.46 = 4,157.73 : x
  2. Step 2: Convert to fraction form
    12,477.66/18,719.46 = 4,157.73/x
  3. Step 3: Cross multiply
    12,477.66x = 18,719.46 × 4,157.73
  4. Step 4: Simplify right side
    12,477.66x = 77,830,460.43
  5. Step 5: Solve for x
    x = 77,830,460.43/12,477.66
  6. Step 6: Final answer
    x = 6,237.58

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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.