Home / 20,759.42-31,148.19-10,896.26

Finding the Fourth Proportional to 20,759.42, 31,148.19 and 10,896.26

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Solution

The fourth proportional to 20,759.42, 31,148.19 and 10,896.26 is: 16,349.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,759.42 : 31,148.19 = 10,896.26 : x
  2. Step 2: Convert to fraction form
    20,759.42/31,148.19 = 10,896.26/x
  3. Step 3: Cross multiply
    20,759.42x = 31,148.19 × 10,896.26
  4. Step 4: Simplify right side
    20,759.42x = 339,398,776.77
  5. Step 5: Solve for x
    x = 339,398,776.77/20,759.42
  6. Step 6: Final answer
    x = 16,349.15

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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.