Home / 20,114.04-27,756.84-11,730

Finding the Fourth Proportional to 20,114.04, 27,756.84 and 11,730

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Solution

The fourth proportional to 20,114.04, 27,756.84 and 11,730 is: 16,187.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,114.04 : 27,756.84 = 11,730 : x
  2. Step 2: Convert to fraction form
    20,114.04/27,756.84 = 11,730/x
  3. Step 3: Cross multiply
    20,114.04x = 27,756.84 × 11,730
  4. Step 4: Simplify right side
    20,114.04x = 325,587,733.20
  5. Step 5: Solve for x
    x = 325,587,733.20/20,114.04
  6. Step 6: Final answer
    x = 16,187.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.