Home / 16,768.70-23,139.30-9,214.94

Finding the Fourth Proportional to 16,768.70, 23,139.30 and 9,214.94

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Solution

The fourth proportional to 16,768.70, 23,139.30 and 9,214.94 is: 12,715.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,768.70 : 23,139.30 = 9,214.94 : x
  2. Step 2: Convert to fraction form
    16,768.70/23,139.30 = 9,214.94/x
  3. Step 3: Cross multiply
    16,768.70x = 23,139.30 × 9,214.94
  4. Step 4: Simplify right side
    16,768.70x = 213,227,261.14
  5. Step 5: Solve for x
    x = 213,227,261.14/16,768.70
  6. Step 6: Final answer
    x = 12,715.79

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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.