Home / 12,151.26-16,776.02-7,966.80

Finding the Fourth Proportional to 12,151.26, 16,776.02 and 7,966.80

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Solution

The fourth proportional to 12,151.26, 16,776.02 and 7,966.80 is: 10,998.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,151.26 : 16,776.02 = 7,966.80 : x
  2. Step 2: Convert to fraction form
    12,151.26/16,776.02 = 7,966.80/x
  3. Step 3: Cross multiply
    12,151.26x = 16,776.02 × 7,966.80
  4. Step 4: Simplify right side
    12,151.26x = 133,651,196.14
  5. Step 5: Solve for x
    x = 133,651,196.14/12,151.26
  6. Step 6: Final answer
    x = 10,998.96

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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.