Home / 11,887.04-17,818.80-5,636

Finding the Fourth Proportional to 11,887.04, 17,818.80 and 5,636

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Solution

The fourth proportional to 11,887.04, 17,818.80 and 5,636 is: 8,448.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,887.04 : 17,818.80 = 5,636 : x
  2. Step 2: Convert to fraction form
    11,887.04/17,818.80 = 5,636/x
  3. Step 3: Cross multiply
    11,887.04x = 17,818.80 × 5,636
  4. Step 4: Simplify right side
    11,887.04x = 100,426,756.80
  5. Step 5: Solve for x
    x = 100,426,756.80/11,887.04
  6. Step 6: Final answer
    x = 8,448.42

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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.