Home / 12,729.03-19,095.22-4,722.71

Finding the Fourth Proportional to 12,729.03, 19,095.22 and 4,722.71

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Solution

The fourth proportional to 12,729.03, 19,095.22 and 4,722.71 is: 7,084.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,729.03 : 19,095.22 = 4,722.71 : x
  2. Step 2: Convert to fraction form
    12,729.03/19,095.22 = 4,722.71/x
  3. Step 3: Cross multiply
    12,729.03x = 19,095.22 × 4,722.71
  4. Step 4: Simplify right side
    12,729.03x = 90,181,143.94
  5. Step 5: Solve for x
    x = 90,181,143.94/12,729.03
  6. Step 6: Final answer
    x = 7,084.68

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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.