Home / 19,226.41-28,839-8,130.08

Finding the Fourth Proportional to 19,226.41, 28,839 and 8,130.08

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Solution

The fourth proportional to 19,226.41, 28,839 and 8,130.08 is: 12,194.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,226.41 : 28,839 = 8,130.08 : x
  2. Step 2: Convert to fraction form
    19,226.41/28,839 = 8,130.08/x
  3. Step 3: Cross multiply
    19,226.41x = 28,839 × 8,130.08
  4. Step 4: Simplify right side
    19,226.41x = 234,463,377.12
  5. Step 5: Solve for x
    x = 234,463,377.12/19,226.41
  6. Step 6: Final answer
    x = 12,194.86

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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.