Home / 36,872.07-55,308.30-9,170.07

Finding the Fourth Proportional to 36,872.07, 55,308.30 and 9,170.07

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Solution

The fourth proportional to 36,872.07, 55,308.30 and 9,170.07 is: 13,755.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,872.07 : 55,308.30 = 9,170.07 : x
  2. Step 2: Convert to fraction form
    36,872.07/55,308.30 = 9,170.07/x
  3. Step 3: Cross multiply
    36,872.07x = 55,308.30 × 9,170.07
  4. Step 4: Simplify right side
    36,872.07x = 507,180,982.58
  5. Step 5: Solve for x
    x = 507,180,982.58/36,872.07
  6. Step 6: Final answer
    x = 13,755.15

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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.