Home / 12,415.07-18,616.73-4,512.08

Finding the Fourth Proportional to 12,415.07, 18,616.73 and 4,512.08

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Solution

The fourth proportional to 12,415.07, 18,616.73 and 4,512.08 is: 6,765.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415.07 : 18,616.73 = 4,512.08 : x
  2. Step 2: Convert to fraction form
    12,415.07/18,616.73 = 4,512.08/x
  3. Step 3: Cross multiply
    12,415.07x = 18,616.73 × 4,512.08
  4. Step 4: Simplify right side
    12,415.07x = 84,000,059.45
  5. Step 5: Solve for x
    x = 84,000,059.45/12,415.07
  6. Step 6: Final answer
    x = 6,765.98

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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.