Home / 19,723.76-27,217.78-10,769.55

Finding the Fourth Proportional to 19,723.76, 27,217.78 and 10,769.55

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Solution

The fourth proportional to 19,723.76, 27,217.78 and 10,769.55 is: 14,861.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,723.76 : 27,217.78 = 10,769.55 : x
  2. Step 2: Convert to fraction form
    19,723.76/27,217.78 = 10,769.55/x
  3. Step 3: Cross multiply
    19,723.76x = 27,217.78 × 10,769.55
  4. Step 4: Simplify right side
    19,723.76x = 293,123,242.60
  5. Step 5: Solve for x
    x = 293,123,242.60/19,723.76
  6. Step 6: Final answer
    x = 14,861.43

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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.