Home / 14,123.00-19,489.07-7,749.44

Finding the Fourth Proportional to 14,123.00, 19,489.07 and 7,749.44

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Solution

The fourth proportional to 14,123.00, 19,489.07 and 7,749.44 is: 10,693.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.00 : 19,489.07 = 7,749.44 : x
  2. Step 2: Convert to fraction form
    14,123.00/19,489.07 = 7,749.44/x
  3. Step 3: Cross multiply
    14,123.00x = 19,489.07 × 7,749.44
  4. Step 4: Simplify right side
    14,123.00x = 151,029,446.72
  5. Step 5: Solve for x
    x = 151,029,446.72/14,123.00
  6. Step 6: Final answer
    x = 10,693.87

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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.