Home / 15,453.74-23,161.61-7,122.20

Finding the Fourth Proportional to 15,453.74, 23,161.61 and 7,122.20

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Solution

The fourth proportional to 15,453.74, 23,161.61 and 7,122.20 is: 10,674.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,453.74 : 23,161.61 = 7,122.20 : x
  2. Step 2: Convert to fraction form
    15,453.74/23,161.61 = 7,122.20/x
  3. Step 3: Cross multiply
    15,453.74x = 23,161.61 × 7,122.20
  4. Step 4: Simplify right side
    15,453.74x = 164,961,520.74
  5. Step 5: Solve for x
    x = 164,961,520.74/15,453.74
  6. Step 6: Final answer
    x = 10,674.54

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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.