Home / 15,453.25-23,183.76-7,139.15

Finding the Fourth Proportional to 15,453.25, 23,183.76 and 7,139.15

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Solution

The fourth proportional to 15,453.25, 23,183.76 and 7,139.15 is: 10,710.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,453.25 : 23,183.76 = 7,139.15 : x
  2. Step 2: Convert to fraction form
    15,453.25/23,183.76 = 7,139.15/x
  3. Step 3: Cross multiply
    15,453.25x = 23,183.76 × 7,139.15
  4. Step 4: Simplify right side
    15,453.25x = 165,512,224.29
  5. Step 5: Solve for x
    x = 165,512,224.29/15,453.25
  6. Step 6: Final answer
    x = 10,710.51

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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.