Home / 19,727.85-29,605.94-13,386.92

Finding the Fourth Proportional to 19,727.85, 29,605.94 and 13,386.92

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Solution

The fourth proportional to 19,727.85, 29,605.94 and 13,386.92 is: 20,089.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,727.85 : 29,605.94 = 13,386.92 : x
  2. Step 2: Convert to fraction form
    19,727.85/29,605.94 = 13,386.92/x
  3. Step 3: Cross multiply
    19,727.85x = 29,605.94 × 13,386.92
  4. Step 4: Simplify right side
    19,727.85x = 396,332,352.07
  5. Step 5: Solve for x
    x = 396,332,352.07/19,727.85
  6. Step 6: Final answer
    x = 20,089.99

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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.