Home / 12,335.72-18,503.79-4,015.70

Finding the Fourth Proportional to 12,335.72, 18,503.79 and 4,015.70

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Solution

The fourth proportional to 12,335.72, 18,503.79 and 4,015.70 is: 6,023.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335.72 : 18,503.79 = 4,015.70 : x
  2. Step 2: Convert to fraction form
    12,335.72/18,503.79 = 4,015.70/x
  3. Step 3: Cross multiply
    12,335.72x = 18,503.79 × 4,015.70
  4. Step 4: Simplify right side
    12,335.72x = 74,305,576.98
  5. Step 5: Solve for x
    x = 74,305,576.98/12,335.72
  6. Step 6: Final answer
    x = 6,023.61

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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.