Home / 11,751.40-16,212.46-7,502.62

Finding the Fourth Proportional to 11,751.40, 16,212.46 and 7,502.62

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Solution

The fourth proportional to 11,751.40, 16,212.46 and 7,502.62 is: 10,350.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,751.40 : 16,212.46 = 7,502.62 : x
  2. Step 2: Convert to fraction form
    11,751.40/16,212.46 = 7,502.62/x
  3. Step 3: Cross multiply
    11,751.40x = 16,212.46 × 7,502.62
  4. Step 4: Simplify right side
    11,751.40x = 121,635,926.65
  5. Step 5: Solve for x
    x = 121,635,926.65/11,751.40
  6. Step 6: Final answer
    x = 10,350.76

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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.