Home / 19,282.05-28,926.99-8,188.83

Finding the Fourth Proportional to 19,282.05, 28,926.99 and 8,188.83

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Solution

The fourth proportional to 19,282.05, 28,926.99 and 8,188.83 is: 12,284.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,282.05 : 28,926.99 = 8,188.83 : x
  2. Step 2: Convert to fraction form
    19,282.05/28,926.99 = 8,188.83/x
  3. Step 3: Cross multiply
    19,282.05x = 28,926.99 × 8,188.83
  4. Step 4: Simplify right side
    19,282.05x = 236,878,203.52
  5. Step 5: Solve for x
    x = 236,878,203.52/19,282.05
  6. Step 6: Final answer
    x = 12,284.91

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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.