Home / 22,790.40-34,170.75-9,459.72

Finding the Fourth Proportional to 22,790.40, 34,170.75 and 9,459.72

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Solution

The fourth proportional to 22,790.40, 34,170.75 and 9,459.72 is: 14,183.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,790.40 : 34,170.75 = 9,459.72 : x
  2. Step 2: Convert to fraction form
    22,790.40/34,170.75 = 9,459.72/x
  3. Step 3: Cross multiply
    22,790.40x = 34,170.75 × 9,459.72
  4. Step 4: Simplify right side
    22,790.40x = 323,245,727.19
  5. Step 5: Solve for x
    x = 323,245,727.19/22,790.40
  6. Step 6: Final answer
    x = 14,183.42

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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.