Home / 13,149.62-19,725.46-4,384.54

Finding the Fourth Proportional to 13,149.62, 19,725.46 and 4,384.54

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Solution

The fourth proportional to 13,149.62, 19,725.46 and 4,384.54 is: 6,577.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149.62 : 19,725.46 = 4,384.54 : x
  2. Step 2: Convert to fraction form
    13,149.62/19,725.46 = 4,384.54/x
  3. Step 3: Cross multiply
    13,149.62x = 19,725.46 × 4,384.54
  4. Step 4: Simplify right side
    13,149.62x = 86,487,068.39
  5. Step 5: Solve for x
    x = 86,487,068.39/13,149.62
  6. Step 6: Final answer
    x = 6,577.15

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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.