Home / 12,886.23-19,311.11-5,483.24

Finding the Fourth Proportional to 12,886.23, 19,311.11 and 5,483.24

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Solution

The fourth proportional to 12,886.23, 19,311.11 and 5,483.24 is: 8,217.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,886.23 : 19,311.11 = 5,483.24 : x
  2. Step 2: Convert to fraction form
    12,886.23/19,311.11 = 5,483.24/x
  3. Step 3: Cross multiply
    12,886.23x = 19,311.11 × 5,483.24
  4. Step 4: Simplify right side
    12,886.23x = 105,887,367.95
  5. Step 5: Solve for x
    x = 105,887,367.95/12,886.23
  6. Step 6: Final answer
    x = 8,217.09

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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.