Home / 13,699.29-20,536.59-4,928.04

Finding the Fourth Proportional to 13,699.29, 20,536.59 and 4,928.04

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Solution

The fourth proportional to 13,699.29, 20,536.59 and 4,928.04 is: 7,387.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,699.29 : 20,536.59 = 4,928.04 : x
  2. Step 2: Convert to fraction form
    13,699.29/20,536.59 = 4,928.04/x
  3. Step 3: Cross multiply
    13,699.29x = 20,536.59 × 4,928.04
  4. Step 4: Simplify right side
    13,699.29x = 101,205,136.98
  5. Step 5: Solve for x
    x = 101,205,136.98/13,699.29
  6. Step 6: Final answer
    x = 7,387.62

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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.