Home / 20,983.06-31,505.61-14,006.54

Finding the Fourth Proportional to 20,983.06, 31,505.61 and 14,006.54

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Solution

The fourth proportional to 20,983.06, 31,505.61 and 14,006.54 is: 21,030.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,983.06 : 31,505.61 = 14,006.54 : x
  2. Step 2: Convert to fraction form
    20,983.06/31,505.61 = 14,006.54/x
  3. Step 3: Cross multiply
    20,983.06x = 31,505.61 × 14,006.54
  4. Step 4: Simplify right side
    20,983.06x = 441,284,586.69
  5. Step 5: Solve for x
    x = 441,284,586.69/20,983.06
  6. Step 6: Final answer
    x = 21,030.52

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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.