Home / 19,767.35-27,278.91-10,814.84

Finding the Fourth Proportional to 19,767.35, 27,278.91 and 10,814.84

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Solution

The fourth proportional to 19,767.35, 27,278.91 and 10,814.84 is: 14,924.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,767.35 : 27,278.91 = 10,814.84 : x
  2. Step 2: Convert to fraction form
    19,767.35/27,278.91 = 10,814.84/x
  3. Step 3: Cross multiply
    19,767.35x = 27,278.91 × 10,814.84
  4. Step 4: Simplify right side
    19,767.35x = 295,016,962.65
  5. Step 5: Solve for x
    x = 295,016,962.65/19,767.35
  6. Step 6: Final answer
    x = 14,924.45

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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.