Home / 19,653.04-27,120.72-11,269

Finding the Fourth Proportional to 19,653.04, 27,120.72 and 11,269

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Solution

The fourth proportional to 19,653.04, 27,120.72 and 11,269 is: 15,550.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,653.04 : 27,120.72 = 11,269 : x
  2. Step 2: Convert to fraction form
    19,653.04/27,120.72 = 11,269/x
  3. Step 3: Cross multiply
    19,653.04x = 27,120.72 × 11,269
  4. Step 4: Simplify right side
    19,653.04x = 305,623,393.68
  5. Step 5: Solve for x
    x = 305,623,393.68/19,653.04
  6. Step 6: Final answer
    x = 15,550.95

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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.