Home / 19,039.65-28,561.34-6,558

Finding the Fourth Proportional to 19,039.65, 28,561.34 and 6,558

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Solution

The fourth proportional to 19,039.65, 28,561.34 and 6,558 is: 9,837.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,039.65 : 28,561.34 = 6,558 : x
  2. Step 2: Convert to fraction form
    19,039.65/28,561.34 = 6,558/x
  3. Step 3: Cross multiply
    19,039.65x = 28,561.34 × 6,558
  4. Step 4: Simplify right side
    19,039.65x = 187,305,267.72
  5. Step 5: Solve for x
    x = 187,305,267.72/19,039.65
  6. Step 6: Final answer
    x = 9,837.64

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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.