Home / 19,511.52-29,245.07-8,259.84

Finding the Fourth Proportional to 19,511.52, 29,245.07 and 8,259.84

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Solution

The fourth proportional to 19,511.52, 29,245.07 and 8,259.84 is: 12,380.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,511.52 : 29,245.07 = 8,259.84 : x
  2. Step 2: Convert to fraction form
    19,511.52/29,245.07 = 8,259.84/x
  3. Step 3: Cross multiply
    19,511.52x = 29,245.07 × 8,259.84
  4. Step 4: Simplify right side
    19,511.52x = 241,559,573.18
  5. Step 5: Solve for x
    x = 241,559,573.18/19,511.52
  6. Step 6: Final answer
    x = 12,380.36

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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.