Home / 21,337.08-32,010.36-8,189.46

Finding the Fourth Proportional to 21,337.08, 32,010.36 and 8,189.46

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Solution

The fourth proportional to 21,337.08, 32,010.36 and 8,189.46 is: 12,286.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,337.08 : 32,010.36 = 8,189.46 : x
  2. Step 2: Convert to fraction form
    21,337.08/32,010.36 = 8,189.46/x
  3. Step 3: Cross multiply
    21,337.08x = 32,010.36 × 8,189.46
  4. Step 4: Simplify right side
    21,337.08x = 262,147,562.81
  5. Step 5: Solve for x
    x = 262,147,562.81/21,337.08
  6. Step 6: Final answer
    x = 12,286.01

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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.