Home / 14,170.79-19,473.61-13,520.36

Finding the Fourth Proportional to 14,170.79, 19,473.61 and 13,520.36

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Solution

The fourth proportional to 14,170.79, 19,473.61 and 13,520.36 is: 18,579.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.79 : 19,473.61 = 13,520.36 : x
  2. Step 2: Convert to fraction form
    14,170.79/19,473.61 = 13,520.36/x
  3. Step 3: Cross multiply
    14,170.79x = 19,473.61 × 13,520.36
  4. Step 4: Simplify right side
    14,170.79x = 263,290,232.58
  5. Step 5: Solve for x
    x = 263,290,232.58/14,170.79
  6. Step 6: Final answer
    x = 18,579.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.