Home / 13,153.70-19,731.56-4,388.62

Finding the Fourth Proportional to 13,153.70, 19,731.56 and 4,388.62

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Solution

The fourth proportional to 13,153.70, 19,731.56 and 4,388.62 is: 6,583.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153.70 : 19,731.56 = 4,388.62 : x
  2. Step 2: Convert to fraction form
    13,153.70/19,731.56 = 4,388.62/x
  3. Step 3: Cross multiply
    13,153.70x = 19,731.56 × 4,388.62
  4. Step 4: Simplify right side
    13,153.70x = 86,594,318.85
  5. Step 5: Solve for x
    x = 86,594,318.85/13,153.70
  6. Step 6: Final answer
    x = 6,583.27

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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.