Home / 10,119.71-15,181.37-4,575.66

Finding the Fourth Proportional to 10,119.71, 15,181.37 and 4,575.66

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Solution

The fourth proportional to 10,119.71, 15,181.37 and 4,575.66 is: 6,864.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119.71 : 15,181.37 = 4,575.66 : x
  2. Step 2: Convert to fraction form
    10,119.71/15,181.37 = 4,575.66/x
  3. Step 3: Cross multiply
    10,119.71x = 15,181.37 × 4,575.66
  4. Step 4: Simplify right side
    10,119.71x = 69,464,764.58
  5. Step 5: Solve for x
    x = 69,464,764.58/10,119.71
  6. Step 6: Final answer
    x = 6,864.31

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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.