Home / 9,427.14-14,129.78-7,580.34

Finding the Fourth Proportional to 9,427.14, 14,129.78 and 7,580.34

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Solution

The fourth proportional to 9,427.14, 14,129.78 and 7,580.34 is: 11,361.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.14 : 14,129.78 = 7,580.34 : x
  2. Step 2: Convert to fraction form
    9,427.14/14,129.78 = 7,580.34/x
  3. Step 3: Cross multiply
    9,427.14x = 14,129.78 × 7,580.34
  4. Step 4: Simplify right side
    9,427.14x = 107,108,498.62
  5. Step 5: Solve for x
    x = 107,108,498.62/9,427.14
  6. Step 6: Final answer
    x = 11,361.72

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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.