Home / 13,726.27-20,589.54-3,865.74

Finding the Fourth Proportional to 13,726.27, 20,589.54 and 3,865.74

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Solution

The fourth proportional to 13,726.27, 20,589.54 and 3,865.74 is: 5,798.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726.27 : 20,589.54 = 3,865.74 : x
  2. Step 2: Convert to fraction form
    13,726.27/20,589.54 = 3,865.74/x
  3. Step 3: Cross multiply
    13,726.27x = 20,589.54 × 3,865.74
  4. Step 4: Simplify right side
    13,726.27x = 79,593,808.36
  5. Step 5: Solve for x
    x = 79,593,808.36/13,726.27
  6. Step 6: Final answer
    x = 5,798.65

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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.