Home / 19,722.11-27,216.74-10,769.72

Finding the Fourth Proportional to 19,722.11, 27,216.74 and 10,769.72

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Solution

The fourth proportional to 19,722.11, 27,216.74 and 10,769.72 is: 14,862.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,722.11 : 27,216.74 = 10,769.72 : x
  2. Step 2: Convert to fraction form
    19,722.11/27,216.74 = 10,769.72/x
  3. Step 3: Cross multiply
    19,722.11x = 27,216.74 × 10,769.72
  4. Step 4: Simplify right side
    19,722.11x = 293,116,615.26
  5. Step 5: Solve for x
    x = 293,116,615.26/19,722.11
  6. Step 6: Final answer
    x = 14,862.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.