Home / 22,030.20-30,401.62-11,958.55

Finding the Fourth Proportional to 22,030.20, 30,401.62 and 11,958.55

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Solution

The fourth proportional to 22,030.20, 30,401.62 and 11,958.55 is: 16,502.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,030.20 : 30,401.62 = 11,958.55 : x
  2. Step 2: Convert to fraction form
    22,030.20/30,401.62 = 11,958.55/x
  3. Step 3: Cross multiply
    22,030.20x = 30,401.62 × 11,958.55
  4. Step 4: Simplify right side
    22,030.20x = 363,559,292.85
  5. Step 5: Solve for x
    x = 363,559,292.85/22,030.20
  6. Step 6: Final answer
    x = 16,502.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.