Home / 12,030.26-18,052.68-4,639.82

Finding the Fourth Proportional to 12,030.26, 18,052.68 and 4,639.82

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Solution

The fourth proportional to 12,030.26, 18,052.68 and 4,639.82 is: 6,962.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.26 : 18,052.68 = 4,639.82 : x
  2. Step 2: Convert to fraction form
    12,030.26/18,052.68 = 4,639.82/x
  3. Step 3: Cross multiply
    12,030.26x = 18,052.68 × 4,639.82
  4. Step 4: Simplify right side
    12,030.26x = 83,761,185.72
  5. Step 5: Solve for x
    x = 83,761,185.72/12,030.26
  6. Step 6: Final answer
    x = 6,962.54

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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.