Home / 12,007.40-17,993.18-7,394.28

Finding the Fourth Proportional to 12,007.40, 17,993.18 and 7,394.28

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Solution

The fourth proportional to 12,007.40, 17,993.18 and 7,394.28 is: 11,080.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,007.40 : 17,993.18 = 7,394.28 : x
  2. Step 2: Convert to fraction form
    12,007.40/17,993.18 = 7,394.28/x
  3. Step 3: Cross multiply
    12,007.40x = 17,993.18 × 7,394.28
  4. Step 4: Simplify right side
    12,007.40x = 133,046,611.01
  5. Step 5: Solve for x
    x = 133,046,611.01/12,007.40
  6. Step 6: Final answer
    x = 11,080.38

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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.