Home / 19,786.96-27,306.05-10,712.42

Finding the Fourth Proportional to 19,786.96, 27,306.05 and 10,712.42

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Solution

The fourth proportional to 19,786.96, 27,306.05 and 10,712.42 is: 14,783.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.96 : 27,306.05 = 10,712.42 : x
  2. Step 2: Convert to fraction form
    19,786.96/27,306.05 = 10,712.42/x
  3. Step 3: Cross multiply
    19,786.96x = 27,306.05 × 10,712.42
  4. Step 4: Simplify right side
    19,786.96x = 292,513,751.80
  5. Step 5: Solve for x
    x = 292,513,751.80/19,786.96
  6. Step 6: Final answer
    x = 14,783.16

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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.