Home / 10,341.24-15,511.84-2,945.76

Finding the Fourth Proportional to 10,341.24, 15,511.84 and 2,945.76

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Solution

The fourth proportional to 10,341.24, 15,511.84 and 2,945.76 is: 4,418.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,341.24 : 15,511.84 = 2,945.76 : x
  2. Step 2: Convert to fraction form
    10,341.24/15,511.84 = 2,945.76/x
  3. Step 3: Cross multiply
    10,341.24x = 15,511.84 × 2,945.76
  4. Step 4: Simplify right side
    10,341.24x = 45,694,157.80
  5. Step 5: Solve for x
    x = 45,694,157.80/10,341.24
  6. Step 6: Final answer
    x = 4,418.63

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1.5x scale

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.