Home / 13,080.50-19,621.65-3,721.26

Finding the Fourth Proportional to 13,080.50, 19,621.65 and 3,721.26

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Solution

The fourth proportional to 13,080.50, 19,621.65 and 3,721.26 is: 5,582.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080.50 : 19,621.65 = 3,721.26 : x
  2. Step 2: Convert to fraction form
    13,080.50/19,621.65 = 3,721.26/x
  3. Step 3: Cross multiply
    13,080.50x = 19,621.65 × 3,721.26
  4. Step 4: Simplify right side
    13,080.50x = 73,017,153.87
  5. Step 5: Solve for x
    x = 73,017,153.87/13,080.50
  6. Step 6: Final answer
    x = 5,582.14

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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.