Home / 23,910.09-35,880.12-9,120.30

Finding the Fourth Proportional to 23,910.09, 35,880.12 and 9,120.30

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Solution

The fourth proportional to 23,910.09, 35,880.12 and 9,120.30 is: 13,686.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,910.09 : 35,880.12 = 9,120.30 : x
  2. Step 2: Convert to fraction form
    23,910.09/35,880.12 = 9,120.30/x
  3. Step 3: Cross multiply
    23,910.09x = 35,880.12 × 9,120.30
  4. Step 4: Simplify right side
    23,910.09x = 327,237,458.44
  5. Step 5: Solve for x
    x = 327,237,458.44/23,910.09
  6. Step 6: Final answer
    x = 13,686.17

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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.