Home / 9,315.10-13,969.68-3,073.95

Finding the Fourth Proportional to 9,315.10, 13,969.68 and 3,073.95

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Solution

The fourth proportional to 9,315.10, 13,969.68 and 3,073.95 is: 4,609.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.10 : 13,969.68 = 3,073.95 : x
  2. Step 2: Convert to fraction form
    9,315.10/13,969.68 = 3,073.95/x
  3. Step 3: Cross multiply
    9,315.10x = 13,969.68 × 3,073.95
  4. Step 4: Simplify right side
    9,315.10x = 42,942,097.84
  5. Step 5: Solve for x
    x = 42,942,097.84/9,315.10
  6. Step 6: Final answer
    x = 4,609.94

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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.