Home / 14,428.53-21,651.93-5,663.25

Finding the Fourth Proportional to 14,428.53, 21,651.93 and 5,663.25

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Solution

The fourth proportional to 14,428.53, 21,651.93 and 5,663.25 is: 8,498.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,428.53 : 21,651.93 = 5,663.25 : x
  2. Step 2: Convert to fraction form
    14,428.53/21,651.93 = 5,663.25/x
  3. Step 3: Cross multiply
    14,428.53x = 21,651.93 × 5,663.25
  4. Step 4: Simplify right side
    14,428.53x = 122,620,292.57
  5. Step 5: Solve for x
    x = 122,620,292.57/14,428.53
  6. Step 6: Final answer
    x = 8,498.46

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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.