Home / 19,163.91-28,744.67-7,153.72

Finding the Fourth Proportional to 19,163.91, 28,744.67 and 7,153.72

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Solution

The fourth proportional to 19,163.91, 28,744.67 and 7,153.72 is: 10,730.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163.91 : 28,744.67 = 7,153.72 : x
  2. Step 2: Convert to fraction form
    19,163.91/28,744.67 = 7,153.72/x
  3. Step 3: Cross multiply
    19,163.91x = 28,744.67 × 7,153.72
  4. Step 4: Simplify right side
    19,163.91x = 205,631,213.04
  5. Step 5: Solve for x
    x = 205,631,213.04/19,163.91
  6. Step 6: Final answer
    x = 10,730.13

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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.