Home / 36,299.21-54,438.99-9,997.70

Finding the Fourth Proportional to 36,299.21, 54,438.99 and 9,997.70

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Solution

The fourth proportional to 36,299.21, 54,438.99 and 9,997.70 is: 14,993.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,299.21 : 54,438.99 = 9,997.70 : x
  2. Step 2: Convert to fraction form
    36,299.21/54,438.99 = 9,997.70/x
  3. Step 3: Cross multiply
    36,299.21x = 54,438.99 × 9,997.70
  4. Step 4: Simplify right side
    36,299.21x = 544,264,690.32
  5. Step 5: Solve for x
    x = 544,264,690.32/36,299.21
  6. Step 6: Final answer
    x = 14,993.84

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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.