Home / 12,709.25-19,066.27-4,814.13

Finding the Fourth Proportional to 12,709.25, 19,066.27 and 4,814.13

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Solution

The fourth proportional to 12,709.25, 19,066.27 and 4,814.13 is: 7,222.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,709.25 : 19,066.27 = 4,814.13 : x
  2. Step 2: Convert to fraction form
    12,709.25/19,066.27 = 4,814.13/x
  3. Step 3: Cross multiply
    12,709.25x = 19,066.27 × 4,814.13
  4. Step 4: Simplify right side
    12,709.25x = 91,787,382.99
  5. Step 5: Solve for x
    x = 91,787,382.99/12,709.25
  6. Step 6: Final answer
    x = 7,222.10

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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.