Home / 20,182.29-30,274.57-6,142.77

Finding the Fourth Proportional to 20,182.29, 30,274.57 and 6,142.77

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Solution

The fourth proportional to 20,182.29, 30,274.57 and 6,142.77 is: 9,214.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.29 : 30,274.57 = 6,142.77 : x
  2. Step 2: Convert to fraction form
    20,182.29/30,274.57 = 6,142.77/x
  3. Step 3: Cross multiply
    20,182.29x = 30,274.57 × 6,142.77
  4. Step 4: Simplify right side
    20,182.29x = 185,969,720.36
  5. Step 5: Solve for x
    x = 185,969,720.36/20,182.29
  6. Step 6: Final answer
    x = 9,214.50

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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.