Home / 11,388.31-17,087.40-6,117.17

Finding the Fourth Proportional to 11,388.31, 17,087.40 and 6,117.17

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Solution

The fourth proportional to 11,388.31, 17,087.40 and 6,117.17 is: 9,178.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,388.31 : 17,087.40 = 6,117.17 : x
  2. Step 2: Convert to fraction form
    11,388.31/17,087.40 = 6,117.17/x
  3. Step 3: Cross multiply
    11,388.31x = 17,087.40 × 6,117.17
  4. Step 4: Simplify right side
    11,388.31x = 104,526,530.66
  5. Step 5: Solve for x
    x = 104,526,530.66/11,388.31
  6. Step 6: Final answer
    x = 9,178.41

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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.