Home / 13,485.22-20,227.20-4,722.10

Finding the Fourth Proportional to 13,485.22, 20,227.20 and 4,722.10

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Solution

The fourth proportional to 13,485.22, 20,227.20 and 4,722.10 is: 7,082.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485.22 : 20,227.20 = 4,722.10 : x
  2. Step 2: Convert to fraction form
    13,485.22/20,227.20 = 4,722.10/x
  3. Step 3: Cross multiply
    13,485.22x = 20,227.20 × 4,722.10
  4. Step 4: Simplify right side
    13,485.22x = 95,514,861.12
  5. Step 5: Solve for x
    x = 95,514,861.12/13,485.22
  6. Step 6: Final answer
    x = 7,082.93

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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.