Home / 12,548.44-18,817.16-4,751.79

Finding the Fourth Proportional to 12,548.44, 18,817.16 and 4,751.79

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Solution

The fourth proportional to 12,548.44, 18,817.16 and 4,751.79 is: 7,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.44 : 18,817.16 = 4,751.79 : x
  2. Step 2: Convert to fraction form
    12,548.44/18,817.16 = 4,751.79/x
  3. Step 3: Cross multiply
    12,548.44x = 18,817.16 × 4,751.79
  4. Step 4: Simplify right side
    12,548.44x = 89,415,178.05
  5. Step 5: Solve for x
    x = 89,415,178.05/12,548.44
  6. Step 6: Final answer
    x = 7,125.60

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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.