Home / 13,337.28-20,007.84-4,101.12

Finding the Fourth Proportional to 13,337.28, 20,007.84 and 4,101.12

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Solution

The fourth proportional to 13,337.28, 20,007.84 and 4,101.12 is: 6,152.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.28 : 20,007.84 = 4,101.12 : x
  2. Step 2: Convert to fraction form
    13,337.28/20,007.84 = 4,101.12/x
  3. Step 3: Cross multiply
    13,337.28x = 20,007.84 × 4,101.12
  4. Step 4: Simplify right side
    13,337.28x = 82,054,552.78
  5. Step 5: Solve for x
    x = 82,054,552.78/13,337.28
  6. Step 6: Final answer
    x = 6,152.27

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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.