Home / 13,333.68-20,003.76-3,973.32

Finding the Fourth Proportional to 13,333.68, 20,003.76 and 3,973.32

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Solution

The fourth proportional to 13,333.68, 20,003.76 and 3,973.32 is: 5,960.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333.68 : 20,003.76 = 3,973.32 : x
  2. Step 2: Convert to fraction form
    13,333.68/20,003.76 = 3,973.32/x
  3. Step 3: Cross multiply
    13,333.68x = 20,003.76 × 3,973.32
  4. Step 4: Simplify right side
    13,333.68x = 79,481,339.68
  5. Step 5: Solve for x
    x = 79,481,339.68/13,333.68
  6. Step 6: Final answer
    x = 5,960.95

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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.