Home / 13,015.01-19,520.89-4,249.19

Finding the Fourth Proportional to 13,015.01, 19,520.89 and 4,249.19

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Solution

The fourth proportional to 13,015.01, 19,520.89 and 4,249.19 is: 6,373.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015.01 : 19,520.89 = 4,249.19 : x
  2. Step 2: Convert to fraction form
    13,015.01/19,520.89 = 4,249.19/x
  3. Step 3: Cross multiply
    13,015.01x = 19,520.89 × 4,249.19
  4. Step 4: Simplify right side
    13,015.01x = 82,947,970.58
  5. Step 5: Solve for x
    x = 82,947,970.58/13,015.01
  6. Step 6: Final answer
    x = 6,373.25

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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.