Home / 14,579.06-20,117.62-8,205.48

Finding the Fourth Proportional to 14,579.06, 20,117.62 and 8,205.48

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Solution

The fourth proportional to 14,579.06, 20,117.62 and 8,205.48 is: 11,322.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,579.06 : 20,117.62 = 8,205.48 : x
  2. Step 2: Convert to fraction form
    14,579.06/20,117.62 = 8,205.48/x
  3. Step 3: Cross multiply
    14,579.06x = 20,117.62 × 8,205.48
  4. Step 4: Simplify right side
    14,579.06x = 165,074,728.56
  5. Step 5: Solve for x
    x = 165,074,728.56/14,579.06
  6. Step 6: Final answer
    x = 11,322.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.