Home / 11,478.33-15,841.75-6,375.01

Finding the Fourth Proportional to 11,478.33, 15,841.75 and 6,375.01

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Solution

The fourth proportional to 11,478.33, 15,841.75 and 6,375.01 is: 8,798.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,478.33 : 15,841.75 = 6,375.01 : x
  2. Step 2: Convert to fraction form
    11,478.33/15,841.75 = 6,375.01/x
  3. Step 3: Cross multiply
    11,478.33x = 15,841.75 × 6,375.01
  4. Step 4: Simplify right side
    11,478.33x = 100,991,314.67
  5. Step 5: Solve for x
    x = 100,991,314.67/11,478.33
  6. Step 6: Final answer
    x = 8,798.43

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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.