Home / 9,389.84-14,086.43-3,151.88

Finding the Fourth Proportional to 9,389.84, 14,086.43 and 3,151.88

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Solution

The fourth proportional to 9,389.84, 14,086.43 and 3,151.88 is: 4,728.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,389.84 : 14,086.43 = 3,151.88 : x
  2. Step 2: Convert to fraction form
    9,389.84/14,086.43 = 3,151.88/x
  3. Step 3: Cross multiply
    9,389.84x = 14,086.43 × 3,151.88
  4. Step 4: Simplify right side
    9,389.84x = 44,398,715.44
  5. Step 5: Solve for x
    x = 44,398,715.44/9,389.84
  6. Step 6: Final answer
    x = 4,728.38

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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.