Home / 12,063.78-18,089.16-3,740.22

Finding the Fourth Proportional to 12,063.78, 18,089.16 and 3,740.22

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Solution

The fourth proportional to 12,063.78, 18,089.16 and 3,740.22 is: 5,608.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,063.78 : 18,089.16 = 3,740.22 : x
  2. Step 2: Convert to fraction form
    12,063.78/18,089.16 = 3,740.22/x
  3. Step 3: Cross multiply
    12,063.78x = 18,089.16 × 3,740.22
  4. Step 4: Simplify right side
    12,063.78x = 67,657,438.02
  5. Step 5: Solve for x
    x = 67,657,438.02/12,063.78
  6. Step 6: Final answer
    x = 5,608.31

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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.