Home / 19,764.16-27,274.62-10,811.81

Finding the Fourth Proportional to 19,764.16, 27,274.62 and 10,811.81

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Solution

The fourth proportional to 19,764.16, 27,274.62 and 10,811.81 is: 14,920.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,764.16 : 27,274.62 = 10,811.81 : x
  2. Step 2: Convert to fraction form
    19,764.16/27,274.62 = 10,811.81/x
  3. Step 3: Cross multiply
    19,764.16x = 27,274.62 × 10,811.81
  4. Step 4: Simplify right side
    19,764.16x = 294,888,060.46
  5. Step 5: Solve for x
    x = 294,888,060.46/19,764.16
  6. Step 6: Final answer
    x = 14,920.35

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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.