Home / 19,163.61-28,733.90-7,318.17

Finding the Fourth Proportional to 19,163.61, 28,733.90 and 7,318.17

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Solution

The fourth proportional to 19,163.61, 28,733.90 and 7,318.17 is: 10,972.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163.61 : 28,733.90 = 7,318.17 : x
  2. Step 2: Convert to fraction form
    19,163.61/28,733.90 = 7,318.17/x
  3. Step 3: Cross multiply
    19,163.61x = 28,733.90 × 7,318.17
  4. Step 4: Simplify right side
    19,163.61x = 210,279,528.37
  5. Step 5: Solve for x
    x = 210,279,528.37/19,163.61
  6. Step 6: Final answer
    x = 10,972.86

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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.