Home / 11,011.56-15,198.66-6,763.65

Finding the Fourth Proportional to 11,011.56, 15,198.66 and 6,763.65

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Solution

The fourth proportional to 11,011.56, 15,198.66 and 6,763.65 is: 9,335.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.56 : 15,198.66 = 6,763.65 : x
  2. Step 2: Convert to fraction form
    11,011.56/15,198.66 = 6,763.65/x
  3. Step 3: Cross multiply
    11,011.56x = 15,198.66 × 6,763.65
  4. Step 4: Simplify right side
    11,011.56x = 102,798,416.71
  5. Step 5: Solve for x
    x = 102,798,416.71/11,011.56
  6. Step 6: Final answer
    x = 9,335.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.