Home / 9,156.09-12,635.32-5,177.98

Finding the Fourth Proportional to 9,156.09, 12,635.32 and 5,177.98

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Solution

The fourth proportional to 9,156.09, 12,635.32 and 5,177.98 is: 7,145.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,156.09 : 12,635.32 = 5,177.98 : x
  2. Step 2: Convert to fraction form
    9,156.09/12,635.32 = 5,177.98/x
  3. Step 3: Cross multiply
    9,156.09x = 12,635.32 × 5,177.98
  4. Step 4: Simplify right side
    9,156.09x = 65,425,434.25
  5. Step 5: Solve for x
    x = 65,425,434.25/9,156.09
  6. Step 6: Final answer
    x = 7,145.56

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