Home / 14,279.24-21,416.28-3,888.56

Finding the Fourth Proportional to 14,279.24, 21,416.28 and 3,888.56

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Solution

The fourth proportional to 14,279.24, 21,416.28 and 3,888.56 is: 5,832.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279.24 : 21,416.28 = 3,888.56 : x
  2. Step 2: Convert to fraction form
    14,279.24/21,416.28 = 3,888.56/x
  3. Step 3: Cross multiply
    14,279.24x = 21,416.28 × 3,888.56
  4. Step 4: Simplify right side
    14,279.24x = 83,278,489.76
  5. Step 5: Solve for x
    x = 83,278,489.76/14,279.24
  6. Step 6: Final answer
    x = 5,832.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.