Home / 11,077.75-15,287.43-6,362.47

Finding the Fourth Proportional to 11,077.75, 15,287.43 and 6,362.47

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Solution

The fourth proportional to 11,077.75, 15,287.43 and 6,362.47 is: 8,780.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.75 : 15,287.43 = 6,362.47 : x
  2. Step 2: Convert to fraction form
    11,077.75/15,287.43 = 6,362.47/x
  3. Step 3: Cross multiply
    11,077.75x = 15,287.43 × 6,362.47
  4. Step 4: Simplify right side
    11,077.75x = 97,265,814.75
  5. Step 5: Solve for x
    x = 97,265,814.75/11,077.75
  6. Step 6: Final answer
    x = 8,780.29

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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.