Home / 9,955.28-14,936.16-4,761.56

Finding the Fourth Proportional to 9,955.28, 14,936.16 and 4,761.56

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Solution

The fourth proportional to 9,955.28, 14,936.16 and 4,761.56 is: 7,143.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,955.28 : 14,936.16 = 4,761.56 : x
  2. Step 2: Convert to fraction form
    9,955.28/14,936.16 = 4,761.56/x
  3. Step 3: Cross multiply
    9,955.28x = 14,936.16 × 4,761.56
  4. Step 4: Simplify right side
    9,955.28x = 71,119,422.01
  5. Step 5: Solve for x
    x = 71,119,422.01/9,955.28
  6. Step 6: Final answer
    x = 7,143.89

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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.