Home / 12,230.29-16,878.02-6,926.21

Finding the Fourth Proportional to 12,230.29, 16,878.02 and 6,926.21

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Solution

The fourth proportional to 12,230.29, 16,878.02 and 6,926.21 is: 9,558.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230.29 : 16,878.02 = 6,926.21 : x
  2. Step 2: Convert to fraction form
    12,230.29/16,878.02 = 6,926.21/x
  3. Step 3: Cross multiply
    12,230.29x = 16,878.02 × 6,926.21
  4. Step 4: Simplify right side
    12,230.29x = 116,900,694.14
  5. Step 5: Solve for x
    x = 116,900,694.14/12,230.29
  6. Step 6: Final answer
    x = 9,558.29

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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.