Home / 19,759.40-29,606.19-13,903.71

Finding the Fourth Proportional to 19,759.40, 29,606.19 and 13,903.71

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Solution

The fourth proportional to 19,759.40, 29,606.19 and 13,903.71 is: 20,832.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,759.40 : 29,606.19 = 13,903.71 : x
  2. Step 2: Convert to fraction form
    19,759.40/29,606.19 = 13,903.71/x
  3. Step 3: Cross multiply
    19,759.40x = 29,606.19 × 13,903.71
  4. Step 4: Simplify right side
    19,759.40x = 411,635,879.96
  5. Step 5: Solve for x
    x = 411,635,879.96/19,759.40
  6. Step 6: Final answer
    x = 20,832.41

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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.