Home / 19,776.05-27,290.66-10,823.42

Finding the Fourth Proportional to 19,776.05, 27,290.66 and 10,823.42

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Solution

The fourth proportional to 19,776.05, 27,290.66 and 10,823.42 is: 14,936.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,776.05 : 27,290.66 = 10,823.42 : x
  2. Step 2: Convert to fraction form
    19,776.05/27,290.66 = 10,823.42/x
  3. Step 3: Cross multiply
    19,776.05x = 27,290.66 × 10,823.42
  4. Step 4: Simplify right side
    19,776.05x = 295,378,084.69
  5. Step 5: Solve for x
    x = 295,378,084.69/19,776.05
  6. Step 6: Final answer
    x = 14,936.16

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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.