Home / 20,176.45-30,269.54-6,325.45

Finding the Fourth Proportional to 20,176.45, 30,269.54 and 6,325.45

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Solution

The fourth proportional to 20,176.45, 30,269.54 and 6,325.45 is: 9,489.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176.45 : 30,269.54 = 6,325.45 : x
  2. Step 2: Convert to fraction form
    20,176.45/30,269.54 = 6,325.45/x
  3. Step 3: Cross multiply
    20,176.45x = 30,269.54 × 6,325.45
  4. Step 4: Simplify right side
    20,176.45x = 191,468,572.20
  5. Step 5: Solve for x
    x = 191,468,572.20/20,176.45
  6. Step 6: Final answer
    x = 9,489.70

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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.