Home / 10,738.94-14,818.11-6,139.38

Finding the Fourth Proportional to 10,738.94, 14,818.11 and 6,139.38

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Solution

The fourth proportional to 10,738.94, 14,818.11 and 6,139.38 is: 8,471.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,738.94 : 14,818.11 = 6,139.38 : x
  2. Step 2: Convert to fraction form
    10,738.94/14,818.11 = 6,139.38/x
  3. Step 3: Cross multiply
    10,738.94x = 14,818.11 × 6,139.38
  4. Step 4: Simplify right side
    10,738.94x = 90,974,008.17
  5. Step 5: Solve for x
    x = 90,974,008.17/10,738.94
  6. Step 6: Final answer
    x = 8,471.42

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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.