Home / 12,277.58-16,936.70-8,300.07

Finding the Fourth Proportional to 12,277.58, 16,936.70 and 8,300.07

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Solution

The fourth proportional to 12,277.58, 16,936.70 and 8,300.07 is: 11,449.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277.58 : 16,936.70 = 8,300.07 : x
  2. Step 2: Convert to fraction form
    12,277.58/16,936.70 = 8,300.07/x
  3. Step 3: Cross multiply
    12,277.58x = 16,936.70 × 8,300.07
  4. Step 4: Simplify right side
    12,277.58x = 140,575,754.07
  5. Step 5: Solve for x
    x = 140,575,754.07/12,277.58
  6. Step 6: Final answer
    x = 11,449.80

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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.