Home / 13,726.09-20,589.90-4,366.86

Finding the Fourth Proportional to 13,726.09, 20,589.90 and 4,366.86

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Solution

The fourth proportional to 13,726.09, 20,589.90 and 4,366.86 is: 6,550.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726.09 : 20,589.90 = 4,366.86 : x
  2. Step 2: Convert to fraction form
    13,726.09/20,589.90 = 4,366.86/x
  3. Step 3: Cross multiply
    13,726.09x = 20,589.90 × 4,366.86
  4. Step 4: Simplify right side
    13,726.09x = 89,913,210.71
  5. Step 5: Solve for x
    x = 89,913,210.71/13,726.09
  6. Step 6: Final answer
    x = 6,550.53

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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.