Home / 11,949.17-17,921.34-11,356.40

Finding the Fourth Proportional to 11,949.17, 17,921.34 and 11,356.40

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Solution

The fourth proportional to 11,949.17, 17,921.34 and 11,356.40 is: 17,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949.17 : 17,921.34 = 11,356.40 : x
  2. Step 2: Convert to fraction form
    11,949.17/17,921.34 = 11,356.40/x
  3. Step 3: Cross multiply
    11,949.17x = 17,921.34 × 11,356.40
  4. Step 4: Simplify right side
    11,949.17x = 203,521,905.58
  5. Step 5: Solve for x
    x = 203,521,905.58/11,949.17
  6. Step 6: Final answer
    x = 17,032.30

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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.