Home / 20,111.07-30,158.49-6,066.75

Finding the Fourth Proportional to 20,111.07, 30,158.49 and 6,066.75

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Solution

The fourth proportional to 20,111.07, 30,158.49 and 6,066.75 is: 9,097.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,111.07 : 30,158.49 = 6,066.75 : x
  2. Step 2: Convert to fraction form
    20,111.07/30,158.49 = 6,066.75/x
  3. Step 3: Cross multiply
    20,111.07x = 30,158.49 × 6,066.75
  4. Step 4: Simplify right side
    20,111.07x = 182,964,019.21
  5. Step 5: Solve for x
    x = 182,964,019.21/20,111.07
  6. Step 6: Final answer
    x = 9,097.68

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1.5x scale

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.