Home / 12,799.12-19,184.88-6,210.64

Finding the Fourth Proportional to 12,799.12, 19,184.88 and 6,210.64

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Solution

The fourth proportional to 12,799.12, 19,184.88 and 6,210.64 is: 9,309.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799.12 : 19,184.88 = 6,210.64 : x
  2. Step 2: Convert to fraction form
    12,799.12/19,184.88 = 6,210.64/x
  3. Step 3: Cross multiply
    12,799.12x = 19,184.88 × 6,210.64
  4. Step 4: Simplify right side
    12,799.12x = 119,150,383.12
  5. Step 5: Solve for x
    x = 119,150,383.12/12,799.12
  6. Step 6: Final answer
    x = 9,309.26

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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.