Home / 13,153.83-19,731.76-4,388.73

Finding the Fourth Proportional to 13,153.83, 19,731.76 and 4,388.73

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Solution

The fourth proportional to 13,153.83, 19,731.76 and 4,388.73 is: 6,583.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153.83 : 19,731.76 = 4,388.73 : x
  2. Step 2: Convert to fraction form
    13,153.83/19,731.76 = 4,388.73/x
  3. Step 3: Cross multiply
    13,153.83x = 19,731.76 × 4,388.73
  4. Step 4: Simplify right side
    13,153.83x = 86,597,356.09
  5. Step 5: Solve for x
    x = 86,597,356.09/13,153.83
  6. Step 6: Final answer
    x = 6,583.43

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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.