Home / 20,199.30-30,303.32-6,158.97

Finding the Fourth Proportional to 20,199.30, 30,303.32 and 6,158.97

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Solution

The fourth proportional to 20,199.30, 30,303.32 and 6,158.97 is: 9,239.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199.30 : 30,303.32 = 6,158.97 : x
  2. Step 2: Convert to fraction form
    20,199.30/30,303.32 = 6,158.97/x
  3. Step 3: Cross multiply
    20,199.30x = 30,303.32 × 6,158.97
  4. Step 4: Simplify right side
    20,199.30x = 186,637,207.99
  5. Step 5: Solve for x
    x = 186,637,207.99/20,199.30
  6. Step 6: Final answer
    x = 9,239.79

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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.