Home / 30,175.88-45,263.84-9,399.38

Finding the Fourth Proportional to 30,175.88, 45,263.84 and 9,399.38

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Solution

The fourth proportional to 30,175.88, 45,263.84 and 9,399.38 is: 14,099.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,175.88 : 45,263.84 = 9,399.38 : x
  2. Step 2: Convert to fraction form
    30,175.88/45,263.84 = 9,399.38/x
  3. Step 3: Cross multiply
    30,175.88x = 45,263.84 × 9,399.38
  4. Step 4: Simplify right side
    30,175.88x = 425,451,759.10
  5. Step 5: Solve for x
    x = 425,451,759.10/30,175.88
  6. Step 6: Final answer
    x = 14,099.07

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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.