Home / 12,872.44-19,314.69-4,558.74

Finding the Fourth Proportional to 12,872.44, 19,314.69 and 4,558.74

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Solution

The fourth proportional to 12,872.44, 19,314.69 and 4,558.74 is: 6,840.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,872.44 : 19,314.69 = 4,558.74 : x
  2. Step 2: Convert to fraction form
    12,872.44/19,314.69 = 4,558.74/x
  3. Step 3: Cross multiply
    12,872.44x = 19,314.69 × 4,558.74
  4. Step 4: Simplify right side
    12,872.44x = 88,050,649.89
  5. Step 5: Solve for x
    x = 88,050,649.89/12,872.44
  6. Step 6: Final answer
    x = 6,840.25

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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.