Home / 19,276.26-28,893.14-12,609.99

Finding the Fourth Proportional to 19,276.26, 28,893.14 and 12,609.99

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Solution

The fourth proportional to 19,276.26, 28,893.14 and 12,609.99 is: 18,901.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276.26 : 28,893.14 = 12,609.99 : x
  2. Step 2: Convert to fraction form
    19,276.26/28,893.14 = 12,609.99/x
  3. Step 3: Cross multiply
    19,276.26x = 28,893.14 × 12,609.99
  4. Step 4: Simplify right side
    19,276.26x = 364,342,143.42
  5. Step 5: Solve for x
    x = 364,342,143.42/19,276.26
  6. Step 6: Final answer
    x = 18,901.08

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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.