Home / 9,315.71-13,974.95-3,076.38

Finding the Fourth Proportional to 9,315.71, 13,974.95 and 3,076.38

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Solution

The fourth proportional to 9,315.71, 13,974.95 and 3,076.38 is: 4,615.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.71 : 13,974.95 = 3,076.38 : x
  2. Step 2: Convert to fraction form
    9,315.71/13,974.95 = 3,076.38/x
  3. Step 3: Cross multiply
    9,315.71x = 13,974.95 × 3,076.38
  4. Step 4: Simplify right side
    9,315.71x = 42,992,171.42
  5. Step 5: Solve for x
    x = 42,992,171.42/9,315.71
  6. Step 6: Final answer
    x = 4,615.02

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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.