Home / 13,015.62-19,523.43-3,154.86

Finding the Fourth Proportional to 13,015.62, 19,523.43 and 3,154.86

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Solution

The fourth proportional to 13,015.62, 19,523.43 and 3,154.86 is: 4,732.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015.62 : 19,523.43 = 3,154.86 : x
  2. Step 2: Convert to fraction form
    13,015.62/19,523.43 = 3,154.86/x
  3. Step 3: Cross multiply
    13,015.62x = 19,523.43 × 3,154.86
  4. Step 4: Simplify right side
    13,015.62x = 61,593,688.37
  5. Step 5: Solve for x
    x = 61,593,688.37/13,015.62
  6. Step 6: Final answer
    x = 4,732.29

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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.