Home / 12,278.37-16,926.33-8,495.77

Finding the Fourth Proportional to 12,278.37, 16,926.33 and 8,495.77

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Solution

The fourth proportional to 12,278.37, 16,926.33 and 8,495.77 is: 11,711.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,278.37 : 16,926.33 = 8,495.77 : x
  2. Step 2: Convert to fraction form
    12,278.37/16,926.33 = 8,495.77/x
  3. Step 3: Cross multiply
    12,278.37x = 16,926.33 × 8,495.77
  4. Step 4: Simplify right side
    12,278.37x = 143,802,206.62
  5. Step 5: Solve for x
    x = 143,802,206.62/12,278.37
  6. Step 6: Final answer
    x = 11,711.83

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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.