Home / 20,595.60-30,887.01-8,749.26

Finding the Fourth Proportional to 20,595.60, 30,887.01 and 8,749.26

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Solution

The fourth proportional to 20,595.60, 30,887.01 and 8,749.26 is: 13,121.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,595.60 : 30,887.01 = 8,749.26 : x
  2. Step 2: Convert to fraction form
    20,595.60/30,887.01 = 8,749.26/x
  3. Step 3: Cross multiply
    20,595.60x = 30,887.01 × 8,749.26
  4. Step 4: Simplify right side
    20,595.60x = 270,238,481.11
  5. Step 5: Solve for x
    x = 270,238,481.11/20,595.60
  6. Step 6: Final answer
    x = 13,121.18

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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.