Home / 10,025.82-15,030.36-3,782.40

Finding the Fourth Proportional to 10,025.82, 15,030.36 and 3,782.40

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Solution

The fourth proportional to 10,025.82, 15,030.36 and 3,782.40 is: 5,670.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,025.82 : 15,030.36 = 3,782.40 : x
  2. Step 2: Convert to fraction form
    10,025.82/15,030.36 = 3,782.40/x
  3. Step 3: Cross multiply
    10,025.82x = 15,030.36 × 3,782.40
  4. Step 4: Simplify right side
    10,025.82x = 56,850,833.66
  5. Step 5: Solve for x
    x = 56,850,833.66/10,025.82
  6. Step 6: Final answer
    x = 5,670.44

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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.