Home / 13,465.04-20,200.21-3,977.51

Finding the Fourth Proportional to 13,465.04, 20,200.21 and 3,977.51

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Solution

The fourth proportional to 13,465.04, 20,200.21 and 3,977.51 is: 5,967.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.04 : 20,200.21 = 3,977.51 : x
  2. Step 2: Convert to fraction form
    13,465.04/20,200.21 = 3,977.51/x
  3. Step 3: Cross multiply
    13,465.04x = 20,200.21 × 3,977.51
  4. Step 4: Simplify right side
    13,465.04x = 80,346,619.15
  5. Step 5: Solve for x
    x = 80,346,619.15/13,465.04
  6. Step 6: Final answer
    x = 5,967.06

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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.