Home / 19,734.60-27,231.28-11,237.84

Finding the Fourth Proportional to 19,734.60, 27,231.28 and 11,237.84

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Solution

The fourth proportional to 19,734.60, 27,231.28 and 11,237.84 is: 15,506.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,734.60 : 27,231.28 = 11,237.84 : x
  2. Step 2: Convert to fraction form
    19,734.60/27,231.28 = 11,237.84/x
  3. Step 3: Cross multiply
    19,734.60x = 27,231.28 × 11,237.84
  4. Step 4: Simplify right side
    19,734.60x = 306,020,767.64
  5. Step 5: Solve for x
    x = 306,020,767.64/19,734.60
  6. Step 6: Final answer
    x = 15,506.81

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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.