Home / 13,400.06-20,101.86-4,965.39

Finding the Fourth Proportional to 13,400.06, 20,101.86 and 4,965.39

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Solution

The fourth proportional to 13,400.06, 20,101.86 and 4,965.39 is: 7,448.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400.06 : 20,101.86 = 4,965.39 : x
  2. Step 2: Convert to fraction form
    13,400.06/20,101.86 = 4,965.39/x
  3. Step 3: Cross multiply
    13,400.06x = 20,101.86 × 4,965.39
  4. Step 4: Simplify right side
    13,400.06x = 99,813,574.63
  5. Step 5: Solve for x
    x = 99,813,574.63/13,400.06
  6. Step 6: Final answer
    x = 7,448.74

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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.