Home / 11,620.30-17,430.41-3,300.32

Finding the Fourth Proportional to 11,620.30, 17,430.41 and 3,300.32

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Solution

The fourth proportional to 11,620.30, 17,430.41 and 3,300.32 is: 4,950.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.30 : 17,430.41 = 3,300.32 : x
  2. Step 2: Convert to fraction form
    11,620.30/17,430.41 = 3,300.32/x
  3. Step 3: Cross multiply
    11,620.30x = 17,430.41 × 3,300.32
  4. Step 4: Simplify right side
    11,620.30x = 57,525,827.08
  5. Step 5: Solve for x
    x = 57,525,827.08/11,620.30
  6. Step 6: Final answer
    x = 4,950.46

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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.