Home / 19,767.09-27,278.97-10,814.55

Finding the Fourth Proportional to 19,767.09, 27,278.97 and 10,814.55

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Solution

The fourth proportional to 19,767.09, 27,278.97 and 10,814.55 is: 14,924.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,767.09 : 27,278.97 = 10,814.55 : x
  2. Step 2: Convert to fraction form
    19,767.09/27,278.97 = 10,814.55/x
  3. Step 3: Cross multiply
    19,767.09x = 27,278.97 × 10,814.55
  4. Step 4: Simplify right side
    19,767.09x = 295,009,785.01
  5. Step 5: Solve for x
    x = 295,009,785.01/19,767.09
  6. Step 6: Final answer
    x = 14,924.29

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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.