Home / 19,620.36-29,431.98-7,933.32

Finding the Fourth Proportional to 19,620.36, 29,431.98 and 7,933.32

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Solution

The fourth proportional to 19,620.36, 29,431.98 and 7,933.32 is: 11,900.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.36 : 29,431.98 = 7,933.32 : x
  2. Step 2: Convert to fraction form
    19,620.36/29,431.98 = 7,933.32/x
  3. Step 3: Cross multiply
    19,620.36x = 29,431.98 × 7,933.32
  4. Step 4: Simplify right side
    19,620.36x = 233,493,315.57
  5. Step 5: Solve for x
    x = 233,493,315.57/19,620.36
  6. Step 6: Final answer
    x = 11,900.56

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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.