Home / 15,153.27-20,907.99-9,183.63

Finding the Fourth Proportional to 15,153.27, 20,907.99 and 9,183.63

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Solution

The fourth proportional to 15,153.27, 20,907.99 and 9,183.63 is: 12,671.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,153.27 : 20,907.99 = 9,183.63 : x
  2. Step 2: Convert to fraction form
    15,153.27/20,907.99 = 9,183.63/x
  3. Step 3: Cross multiply
    15,153.27x = 20,907.99 × 9,183.63
  4. Step 4: Simplify right side
    15,153.27x = 192,011,244.20
  5. Step 5: Solve for x
    x = 192,011,244.20/15,153.27
  6. Step 6: Final answer
    x = 12,671.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.