Home / 9,688.14-14,531.67-3,119.04

Finding the Fourth Proportional to 9,688.14, 14,531.67 and 3,119.04

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Solution

The fourth proportional to 9,688.14, 14,531.67 and 3,119.04 is: 4,678.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,688.14 : 14,531.67 = 3,119.04 : x
  2. Step 2: Convert to fraction form
    9,688.14/14,531.67 = 3,119.04/x
  3. Step 3: Cross multiply
    9,688.14x = 14,531.67 × 3,119.04
  4. Step 4: Simplify right side
    9,688.14x = 45,324,860.00
  5. Step 5: Solve for x
    x = 45,324,860.00/9,688.14
  6. Step 6: Final answer
    x = 4,678.39

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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.