Home / 15,450.28-23,157.57-7,112.82

Finding the Fourth Proportional to 15,450.28, 23,157.57 and 7,112.82

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Solution

The fourth proportional to 15,450.28, 23,157.57 and 7,112.82 is: 10,661.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,450.28 : 23,157.57 = 7,112.82 : x
  2. Step 2: Convert to fraction form
    15,450.28/23,157.57 = 7,112.82/x
  3. Step 3: Cross multiply
    15,450.28x = 23,157.57 × 7,112.82
  4. Step 4: Simplify right side
    15,450.28x = 164,715,627.05
  5. Step 5: Solve for x
    x = 164,715,627.05/15,450.28
  6. Step 6: Final answer
    x = 10,661.01

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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.