Home / 19,298.77-28,961.99-8,213.25

Finding the Fourth Proportional to 19,298.77, 28,961.99 and 8,213.25

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Solution

The fourth proportional to 19,298.77, 28,961.99 and 8,213.25 is: 12,325.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,298.77 : 28,961.99 = 8,213.25 : x
  2. Step 2: Convert to fraction form
    19,298.77/28,961.99 = 8,213.25/x
  3. Step 3: Cross multiply
    19,298.77x = 28,961.99 × 8,213.25
  4. Step 4: Simplify right side
    19,298.77x = 237,872,064.37
  5. Step 5: Solve for x
    x = 237,872,064.37/19,298.77
  6. Step 6: Final answer
    x = 12,325.76

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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.