Home / 19,827-27,362.34-11,446.20

Finding the Fourth Proportional to 19,827, 27,362.34 and 11,446.20

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Solution

The fourth proportional to 19,827, 27,362.34 and 11,446.20 is: 15,796.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,827 : 27,362.34 = 11,446.20 : x
  2. Step 2: Convert to fraction form
    19,827/27,362.34 = 11,446.20/x
  3. Step 3: Cross multiply
    19,827x = 27,362.34 × 11,446.20
  4. Step 4: Simplify right side
    19,827x = 313,194,816.11
  5. Step 5: Solve for x
    x = 313,194,816.11/19,827
  6. Step 6: Final answer
    x = 15,796.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.