Home / 14,382.04-21,558.45-10,912

Finding the Fourth Proportional to 14,382.04, 21,558.45 and 10,912

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Solution

The fourth proportional to 14,382.04, 21,558.45 and 10,912 is: 16,356.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,382.04 : 21,558.45 = 10,912 : x
  2. Step 2: Convert to fraction form
    14,382.04/21,558.45 = 10,912/x
  3. Step 3: Cross multiply
    14,382.04x = 21,558.45 × 10,912
  4. Step 4: Simplify right side
    14,382.04x = 235,245,806.40
  5. Step 5: Solve for x
    x = 235,245,806.40/14,382.04
  6. Step 6: Final answer
    x = 16,356.92

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Why These Related Problems?

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