Home / 20,180.26-30,273.63-8,495.20

Finding the Fourth Proportional to 20,180.26, 30,273.63 and 8,495.20

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Solution

The fourth proportional to 20,180.26, 30,273.63 and 8,495.20 is: 12,744.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180.26 : 30,273.63 = 8,495.20 : x
  2. Step 2: Convert to fraction form
    20,180.26/30,273.63 = 8,495.20/x
  3. Step 3: Cross multiply
    20,180.26x = 30,273.63 × 8,495.20
  4. Step 4: Simplify right side
    20,180.26x = 257,180,541.58
  5. Step 5: Solve for x
    x = 257,180,541.58/20,180.26
  6. Step 6: Final answer
    x = 12,744.16

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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.