Home / 12,365.62-18,548.64-4,045.61

Finding the Fourth Proportional to 12,365.62, 18,548.64 and 4,045.61

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Solution

The fourth proportional to 12,365.62, 18,548.64 and 4,045.61 is: 6,068.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365.62 : 18,548.64 = 4,045.61 : x
  2. Step 2: Convert to fraction form
    12,365.62/18,548.64 = 4,045.61/x
  3. Step 3: Cross multiply
    12,365.62x = 18,548.64 × 4,045.61
  4. Step 4: Simplify right side
    12,365.62x = 75,040,609.84
  5. Step 5: Solve for x
    x = 75,040,609.84/12,365.62
  6. Step 6: Final answer
    x = 6,068.49

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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.