Home / 10,779.91-16,172.30-3,284.14

Finding the Fourth Proportional to 10,779.91, 16,172.30 and 3,284.14

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Solution

The fourth proportional to 10,779.91, 16,172.30 and 3,284.14 is: 4,926.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.91 : 16,172.30 = 3,284.14 : x
  2. Step 2: Convert to fraction form
    10,779.91/16,172.30 = 3,284.14/x
  3. Step 3: Cross multiply
    10,779.91x = 16,172.30 × 3,284.14
  4. Step 4: Simplify right side
    10,779.91x = 53,112,101.12
  5. Step 5: Solve for x
    x = 53,112,101.12/10,779.91
  6. Step 6: Final answer
    x = 4,926.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.