Home / 20,197.05-30,300.07-6,158.17

Finding the Fourth Proportional to 20,197.05, 30,300.07 and 6,158.17

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Solution

The fourth proportional to 20,197.05, 30,300.07 and 6,158.17 is: 9,238.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197.05 : 30,300.07 = 6,158.17 : x
  2. Step 2: Convert to fraction form
    20,197.05/30,300.07 = 6,158.17/x
  3. Step 3: Cross multiply
    20,197.05x = 30,300.07 × 6,158.17
  4. Step 4: Simplify right side
    20,197.05x = 186,592,830.57
  5. Step 5: Solve for x
    x = 186,592,830.57/20,197.05
  6. Step 6: Final answer
    x = 9,238.62

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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.