Home / 10,515.44-14,511.20-5,799.76

Finding the Fourth Proportional to 10,515.44, 14,511.20 and 5,799.76

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Solution

The fourth proportional to 10,515.44, 14,511.20 and 5,799.76 is: 8,003.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515.44 : 14,511.20 = 5,799.76 : x
  2. Step 2: Convert to fraction form
    10,515.44/14,511.20 = 5,799.76/x
  3. Step 3: Cross multiply
    10,515.44x = 14,511.20 × 5,799.76
  4. Step 4: Simplify right side
    10,515.44x = 84,161,477.31
  5. Step 5: Solve for x
    x = 84,161,477.31/10,515.44
  6. Step 6: Final answer
    x = 8,003.61

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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.