Home / 11,926.80-16,460.69-7,146.95

Finding the Fourth Proportional to 11,926.80, 16,460.69 and 7,146.95

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Solution

The fourth proportional to 11,926.80, 16,460.69 and 7,146.95 is: 9,863.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.80 : 16,460.69 = 7,146.95 : x
  2. Step 2: Convert to fraction form
    11,926.80/16,460.69 = 7,146.95/x
  3. Step 3: Cross multiply
    11,926.80x = 16,460.69 × 7,146.95
  4. Step 4: Simplify right side
    11,926.80x = 117,643,610.36
  5. Step 5: Solve for x
    x = 117,643,610.36/11,926.80
  6. Step 6: Final answer
    x = 9,863.80

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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.