Home / 9,147.43-12,623.47-4,955.68

Finding the Fourth Proportional to 9,147.43, 12,623.47 and 4,955.68

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Solution

The fourth proportional to 9,147.43, 12,623.47 and 4,955.68 is: 6,838.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.43 : 12,623.47 = 4,955.68 : x
  2. Step 2: Convert to fraction form
    9,147.43/12,623.47 = 4,955.68/x
  3. Step 3: Cross multiply
    9,147.43x = 12,623.47 × 4,955.68
  4. Step 4: Simplify right side
    9,147.43x = 62,557,859.23
  5. Step 5: Solve for x
    x = 62,557,859.23/9,147.43
  6. Step 6: Final answer
    x = 6,838.85

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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.