Home / 12,262.91-16,922.57-6,885.47

Finding the Fourth Proportional to 12,262.91, 16,922.57 and 6,885.47

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Solution

The fourth proportional to 12,262.91, 16,922.57 and 6,885.47 is: 9,501.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262.91 : 16,922.57 = 6,885.47 : x
  2. Step 2: Convert to fraction form
    12,262.91/16,922.57 = 6,885.47/x
  3. Step 3: Cross multiply
    12,262.91x = 16,922.57 × 6,885.47
  4. Step 4: Simplify right side
    12,262.91x = 116,519,729.02
  5. Step 5: Solve for x
    x = 116,519,729.02/12,262.91
  6. Step 6: Final answer
    x = 9,501.80

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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.