Home / 19,276.72-28,916.42-8,182.12

Finding the Fourth Proportional to 19,276.72, 28,916.42 and 8,182.12

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Solution

The fourth proportional to 19,276.72, 28,916.42 and 8,182.12 is: 12,273.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276.72 : 28,916.42 = 8,182.12 : x
  2. Step 2: Convert to fraction form
    19,276.72/28,916.42 = 8,182.12/x
  3. Step 3: Cross multiply
    19,276.72x = 28,916.42 × 8,182.12
  4. Step 4: Simplify right side
    19,276.72x = 236,597,618.41
  5. Step 5: Solve for x
    x = 236,597,618.41/19,276.72
  6. Step 6: Final answer
    x = 12,273.75

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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.