Home / 22,023.11-30,393.39-12,462.99

Finding the Fourth Proportional to 22,023.11, 30,393.39 and 12,462.99

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Solution

The fourth proportional to 22,023.11, 30,393.39 and 12,462.99 is: 17,199.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,023.11 : 30,393.39 = 12,462.99 : x
  2. Step 2: Convert to fraction form
    22,023.11/30,393.39 = 12,462.99/x
  3. Step 3: Cross multiply
    22,023.11x = 30,393.39 × 12,462.99
  4. Step 4: Simplify right side
    22,023.11x = 378,792,515.64
  5. Step 5: Solve for x
    x = 378,792,515.64/22,023.11
  6. Step 6: Final answer
    x = 17,199.77

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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.