Home / 9,912.48-14,871.96-4,717.68

Finding the Fourth Proportional to 9,912.48, 14,871.96 and 4,717.68

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Solution

The fourth proportional to 9,912.48, 14,871.96 and 4,717.68 is: 7,078.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,912.48 : 14,871.96 = 4,717.68 : x
  2. Step 2: Convert to fraction form
    9,912.48/14,871.96 = 4,717.68/x
  3. Step 3: Cross multiply
    9,912.48x = 14,871.96 × 4,717.68
  4. Step 4: Simplify right side
    9,912.48x = 70,161,148.25
  5. Step 5: Solve for x
    x = 70,161,148.25/9,912.48
  6. Step 6: Final answer
    x = 7,078.06

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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.