Home / 10,254.82-15,382.34-2,859.35

Finding the Fourth Proportional to 10,254.82, 15,382.34 and 2,859.35

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Solution

The fourth proportional to 10,254.82, 15,382.34 and 2,859.35 is: 4,289.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,254.82 : 15,382.34 = 2,859.35 : x
  2. Step 2: Convert to fraction form
    10,254.82/15,382.34 = 2,859.35/x
  3. Step 3: Cross multiply
    10,254.82x = 15,382.34 × 2,859.35
  4. Step 4: Simplify right side
    10,254.82x = 43,983,424.12
  5. Step 5: Solve for x
    x = 43,983,424.12/10,254.82
  6. Step 6: Final answer
    x = 4,289.05

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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.