Home / 13,838.04-20,755.52-4,953

Finding the Fourth Proportional to 13,838.04, 20,755.52 and 4,953

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Solution

The fourth proportional to 13,838.04, 20,755.52 and 4,953 is: 7,428.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,838.04 : 20,755.52 = 4,953 : x
  2. Step 2: Convert to fraction form
    13,838.04/20,755.52 = 4,953/x
  3. Step 3: Cross multiply
    13,838.04x = 20,755.52 × 4,953
  4. Step 4: Simplify right side
    13,838.04x = 102,802,065.80
  5. Step 5: Solve for x
    x = 102,802,065.80/13,838.04
  6. Step 6: Final answer
    x = 7,428.95

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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.