Home / 14,857.88-20,501.27-8,481.56

Finding the Fourth Proportional to 14,857.88, 20,501.27 and 8,481.56

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Solution

The fourth proportional to 14,857.88, 20,501.27 and 8,481.56 is: 11,703.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,857.88 : 20,501.27 = 8,481.56 : x
  2. Step 2: Convert to fraction form
    14,857.88/20,501.27 = 8,481.56/x
  3. Step 3: Cross multiply
    14,857.88x = 20,501.27 × 8,481.56
  4. Step 4: Simplify right side
    14,857.88x = 173,882,751.58
  5. Step 5: Solve for x
    x = 173,882,751.58/14,857.88
  6. Step 6: Final answer
    x = 11,703.07

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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.