Home / 15,715.85-23,568.74-5,183.51

Finding the Fourth Proportional to 15,715.85, 23,568.74 and 5,183.51

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Solution

The fourth proportional to 15,715.85, 23,568.74 and 5,183.51 is: 7,773.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,715.85 : 23,568.74 = 5,183.51 : x
  2. Step 2: Convert to fraction form
    15,715.85/23,568.74 = 5,183.51/x
  3. Step 3: Cross multiply
    15,715.85x = 23,568.74 × 5,183.51
  4. Step 4: Simplify right side
    15,715.85x = 122,168,763.54
  5. Step 5: Solve for x
    x = 122,168,763.54/15,715.85
  6. Step 6: Final answer
    x = 7,773.60

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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.