Home / 19,192.77-26,491.73-12,123.90

Finding the Fourth Proportional to 19,192.77, 26,491.73 and 12,123.90

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Solution

The fourth proportional to 19,192.77, 26,491.73 and 12,123.90 is: 16,734.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,192.77 : 26,491.73 = 12,123.90 : x
  2. Step 2: Convert to fraction form
    19,192.77/26,491.73 = 12,123.90/x
  3. Step 3: Cross multiply
    19,192.77x = 26,491.73 × 12,123.90
  4. Step 4: Simplify right side
    19,192.77x = 321,183,024.73
  5. Step 5: Solve for x
    x = 321,183,024.73/19,192.77
  6. Step 6: Final answer
    x = 16,734.58

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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.