Home / 20,296.48-30,449.40-8,610.16

Finding the Fourth Proportional to 20,296.48, 30,449.40 and 8,610.16

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Solution

The fourth proportional to 20,296.48, 30,449.40 and 8,610.16 is: 12,917.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,296.48 : 30,449.40 = 8,610.16 : x
  2. Step 2: Convert to fraction form
    20,296.48/30,449.40 = 8,610.16/x
  3. Step 3: Cross multiply
    20,296.48x = 30,449.40 × 8,610.16
  4. Step 4: Simplify right side
    20,296.48x = 262,174,205.90
  5. Step 5: Solve for x
    x = 262,174,205.90/20,296.48
  6. Step 6: Final answer
    x = 12,917.23

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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.