Home / 10,945-15,104.12-6,229.29

Finding the Fourth Proportional to 10,945, 15,104.12 and 6,229.29

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Solution

The fourth proportional to 10,945, 15,104.12 and 6,229.29 is: 8,596.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,945 : 15,104.12 = 6,229.29 : x
  2. Step 2: Convert to fraction form
    10,945/15,104.12 = 6,229.29/x
  3. Step 3: Cross multiply
    10,945x = 15,104.12 × 6,229.29
  4. Step 4: Simplify right side
    10,945x = 94,087,943.67
  5. Step 5: Solve for x
    x = 94,087,943.67/10,945
  6. Step 6: Final answer
    x = 8,596.43

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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.