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Finding the Fourth Proportional to 10,950.71, 15,111.99 and 6,234.99

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Solution

The fourth proportional to 10,950.71, 15,111.99 and 6,234.99 is: 8,604.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,950.71 : 15,111.99 = 6,234.99 : x
  2. Step 2: Convert to fraction form
    10,950.71/15,111.99 = 6,234.99/x
  3. Step 3: Cross multiply
    10,950.71x = 15,111.99 × 6,234.99
  4. Step 4: Simplify right side
    10,950.71x = 94,223,106.53
  5. Step 5: Solve for x
    x = 94,223,106.53/10,950.71
  6. Step 6: Final answer
    x = 8,604.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.