Home / 15,183.84-22,784.40-12,125.28

Finding the Fourth Proportional to 15,183.84, 22,784.40 and 12,125.28

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Solution

The fourth proportional to 15,183.84, 22,784.40 and 12,125.28 is: 18,194.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,183.84 : 22,784.40 = 12,125.28 : x
  2. Step 2: Convert to fraction form
    15,183.84/22,784.40 = 12,125.28/x
  3. Step 3: Cross multiply
    15,183.84x = 22,784.40 × 12,125.28
  4. Step 4: Simplify right side
    15,183.84x = 276,267,229.63
  5. Step 5: Solve for x
    x = 276,267,229.63/15,183.84
  6. Step 6: Final answer
    x = 18,194.82

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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.