Home / 17,493.24-26,210.64-12,289.80

Finding the Fourth Proportional to 17,493.24, 26,210.64 and 12,289.80

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Solution

The fourth proportional to 17,493.24, 26,210.64 and 12,289.80 is: 18,414.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,493.24 : 26,210.64 = 12,289.80 : x
  2. Step 2: Convert to fraction form
    17,493.24/26,210.64 = 12,289.80/x
  3. Step 3: Cross multiply
    17,493.24x = 26,210.64 × 12,289.80
  4. Step 4: Simplify right side
    17,493.24x = 322,123,523.47
  5. Step 5: Solve for x
    x = 322,123,523.47/17,493.24
  6. Step 6: Final answer
    x = 18,414.17

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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.