Home / 15,455.40-23,183.10-3,768.72

Finding the Fourth Proportional to 15,455.40, 23,183.10 and 3,768.72

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Solution

The fourth proportional to 15,455.40, 23,183.10 and 3,768.72 is: 5,653.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455.40 : 23,183.10 = 3,768.72 : x
  2. Step 2: Convert to fraction form
    15,455.40/23,183.10 = 3,768.72/x
  3. Step 3: Cross multiply
    15,455.40x = 23,183.10 × 3,768.72
  4. Step 4: Simplify right side
    15,455.40x = 87,370,612.63
  5. Step 5: Solve for x
    x = 87,370,612.63/15,455.40
  6. Step 6: Final answer
    x = 5,653.08

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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.