Home / 14,322.30-21,491.28-5,557.56

Finding the Fourth Proportional to 14,322.30, 21,491.28 and 5,557.56

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Solution

The fourth proportional to 14,322.30, 21,491.28 and 5,557.56 is: 8,339.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,322.30 : 21,491.28 = 5,557.56 : x
  2. Step 2: Convert to fraction form
    14,322.30/21,491.28 = 5,557.56/x
  3. Step 3: Cross multiply
    14,322.30x = 21,491.28 × 5,557.56
  4. Step 4: Simplify right side
    14,322.30x = 119,439,078.08
  5. Step 5: Solve for x
    x = 119,439,078.08/14,322.30
  6. Step 6: Final answer
    x = 8,339.38

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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.