Home / 13,153.68-19,731.60-4,388.58

Finding the Fourth Proportional to 13,153.68, 19,731.60 and 4,388.58

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Solution

The fourth proportional to 13,153.68, 19,731.60 and 4,388.58 is: 6,583.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153.68 : 19,731.60 = 4,388.58 : x
  2. Step 2: Convert to fraction form
    13,153.68/19,731.60 = 4,388.58/x
  3. Step 3: Cross multiply
    13,153.68x = 19,731.60 × 4,388.58
  4. Step 4: Simplify right side
    13,153.68x = 86,593,705.13
  5. Step 5: Solve for x
    x = 86,593,705.13/13,153.68
  6. Step 6: Final answer
    x = 6,583.23

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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.