Home / 19,288.10-28,934.47-6,805.56

Finding the Fourth Proportional to 19,288.10, 28,934.47 and 6,805.56

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Solution

The fourth proportional to 19,288.10, 28,934.47 and 6,805.56 is: 10,209.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.10 : 28,934.47 = 6,805.56 : x
  2. Step 2: Convert to fraction form
    19,288.10/28,934.47 = 6,805.56/x
  3. Step 3: Cross multiply
    19,288.10x = 28,934.47 × 6,805.56
  4. Step 4: Simplify right side
    19,288.10x = 196,915,271.65
  5. Step 5: Solve for x
    x = 196,915,271.65/19,288.10
  6. Step 6: Final answer
    x = 10,209.16

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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.