Home / 19,766.96-27,278-10,814.42

Finding the Fourth Proportional to 19,766.96, 27,278 and 10,814.42

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Solution

The fourth proportional to 19,766.96, 27,278 and 10,814.42 is: 14,923.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,766.96 : 27,278 = 10,814.42 : x
  2. Step 2: Convert to fraction form
    19,766.96/27,278 = 10,814.42/x
  3. Step 3: Cross multiply
    19,766.96x = 27,278 × 10,814.42
  4. Step 4: Simplify right side
    19,766.96x = 294,995,748.76
  5. Step 5: Solve for x
    x = 294,995,748.76/19,766.96
  6. Step 6: Final answer
    x = 14,923.68

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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.