Home / 13,054.58-19,579.99-4,170.92

Finding the Fourth Proportional to 13,054.58, 19,579.99 and 4,170.92

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Solution

The fourth proportional to 13,054.58, 19,579.99 and 4,170.92 is: 6,255.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,054.58 : 19,579.99 = 4,170.92 : x
  2. Step 2: Convert to fraction form
    13,054.58/19,579.99 = 4,170.92/x
  3. Step 3: Cross multiply
    13,054.58x = 19,579.99 × 4,170.92
  4. Step 4: Simplify right side
    13,054.58x = 81,666,532.32
  5. Step 5: Solve for x
    x = 81,666,532.32/13,054.58
  6. Step 6: Final answer
    x = 6,255.78

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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.