Home / 11,476.89-17,215.34-7,580.39

Finding the Fourth Proportional to 11,476.89, 17,215.34 and 7,580.39

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Solution

The fourth proportional to 11,476.89, 17,215.34 and 7,580.39 is: 11,370.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,476.89 : 17,215.34 = 7,580.39 : x
  2. Step 2: Convert to fraction form
    11,476.89/17,215.34 = 7,580.39/x
  3. Step 3: Cross multiply
    11,476.89x = 17,215.34 × 7,580.39
  4. Step 4: Simplify right side
    11,476.89x = 130,498,867.20
  5. Step 5: Solve for x
    x = 130,498,867.20/11,476.89
  6. Step 6: Final answer
    x = 11,370.58

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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.