Home / 13,125.62-19,676.28-4,358.54

Finding the Fourth Proportional to 13,125.62, 19,676.28 and 4,358.54

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Solution

The fourth proportional to 13,125.62, 19,676.28 and 4,358.54 is: 6,533.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125.62 : 19,676.28 = 4,358.54 : x
  2. Step 2: Convert to fraction form
    13,125.62/19,676.28 = 4,358.54/x
  3. Step 3: Cross multiply
    13,125.62x = 19,676.28 × 4,358.54
  4. Step 4: Simplify right side
    13,125.62x = 85,759,853.43
  5. Step 5: Solve for x
    x = 85,759,853.43/13,125.62
  6. Step 6: Final answer
    x = 6,533.78

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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.