Home / 19,963.39-27,549.65-11,011.20

Finding the Fourth Proportional to 19,963.39, 27,549.65 and 11,011.20

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Solution

The fourth proportional to 19,963.39, 27,549.65 and 11,011.20 is: 15,195.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963.39 : 27,549.65 = 11,011.20 : x
  2. Step 2: Convert to fraction form
    19,963.39/27,549.65 = 11,011.20/x
  3. Step 3: Cross multiply
    19,963.39x = 27,549.65 × 11,011.20
  4. Step 4: Simplify right side
    19,963.39x = 303,354,706.08
  5. Step 5: Solve for x
    x = 303,354,706.08/19,963.39
  6. Step 6: Final answer
    x = 15,195.55

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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.