Home / 12,029.58-18,019.80-7,084.26

Finding the Fourth Proportional to 12,029.58, 18,019.80 and 7,084.26

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Solution

The fourth proportional to 12,029.58, 18,019.80 and 7,084.26 is: 10,611.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029.58 : 18,019.80 = 7,084.26 : x
  2. Step 2: Convert to fraction form
    12,029.58/18,019.80 = 7,084.26/x
  3. Step 3: Cross multiply
    12,029.58x = 18,019.80 × 7,084.26
  4. Step 4: Simplify right side
    12,029.58x = 127,656,948.35
  5. Step 5: Solve for x
    x = 127,656,948.35/12,029.58
  6. Step 6: Final answer
    x = 10,611.92

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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.