Home / 20,214.77-30,322.28-6,176.96

Finding the Fourth Proportional to 20,214.77, 30,322.28 and 6,176.96

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Solution

The fourth proportional to 20,214.77, 30,322.28 and 6,176.96 is: 9,265.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,214.77 : 30,322.28 = 6,176.96 : x
  2. Step 2: Convert to fraction form
    20,214.77/30,322.28 = 6,176.96/x
  3. Step 3: Cross multiply
    20,214.77x = 30,322.28 × 6,176.96
  4. Step 4: Simplify right side
    20,214.77x = 187,299,488.21
  5. Step 5: Solve for x
    x = 187,299,488.21/20,214.77
  6. Step 6: Final answer
    x = 9,265.48

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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.