Home / 20,114.16-27,756.72-11,162.04

Finding the Fourth Proportional to 20,114.16, 27,756.72 and 11,162.04

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Solution

The fourth proportional to 20,114.16, 27,756.72 and 11,162.04 is: 15,403.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,114.16 : 27,756.72 = 11,162.04 : x
  2. Step 2: Convert to fraction form
    20,114.16/27,756.72 = 11,162.04/x
  3. Step 3: Cross multiply
    20,114.16x = 27,756.72 × 11,162.04
  4. Step 4: Simplify right side
    20,114.16x = 309,821,618.91
  5. Step 5: Solve for x
    x = 309,821,618.91/20,114.16
  6. Step 6: Final answer
    x = 15,403.16

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1.5x scale

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.