Home / 12,812.08-19,221.22-4,046.98

Finding the Fourth Proportional to 12,812.08, 19,221.22 and 4,046.98

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Solution

The fourth proportional to 12,812.08, 19,221.22 and 4,046.98 is: 6,071.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,812.08 : 19,221.22 = 4,046.98 : x
  2. Step 2: Convert to fraction form
    12,812.08/19,221.22 = 4,046.98/x
  3. Step 3: Cross multiply
    12,812.08x = 19,221.22 × 4,046.98
  4. Step 4: Simplify right side
    12,812.08x = 77,787,892.92
  5. Step 5: Solve for x
    x = 77,787,892.92/12,812.08
  6. Step 6: Final answer
    x = 6,071.45

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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.