Home / 13,672.14-20,472.70-11,710.38

Finding the Fourth Proportional to 13,672.14, 20,472.70 and 11,710.38

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Solution

The fourth proportional to 13,672.14, 20,472.70 and 11,710.38 is: 17,535.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,672.14 : 20,472.70 = 11,710.38 : x
  2. Step 2: Convert to fraction form
    13,672.14/20,472.70 = 11,710.38/x
  3. Step 3: Cross multiply
    13,672.14x = 20,472.70 × 11,710.38
  4. Step 4: Simplify right side
    13,672.14x = 239,743,096.63
  5. Step 5: Solve for x
    x = 239,743,096.63/13,672.14
  6. Step 6: Final answer
    x = 17,535.16

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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.