Home / 13,723.32-20,589.48-4,364.88

Finding the Fourth Proportional to 13,723.32, 20,589.48 and 4,364.88

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Solution

The fourth proportional to 13,723.32, 20,589.48 and 4,364.88 is: 6,548.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.32 : 20,589.48 = 4,364.88 : x
  2. Step 2: Convert to fraction form
    13,723.32/20,589.48 = 4,364.88/x
  3. Step 3: Cross multiply
    13,723.32x = 20,589.48 × 4,364.88
  4. Step 4: Simplify right side
    13,723.32x = 89,870,609.46
  5. Step 5: Solve for x
    x = 89,870,609.46/13,723.32
  6. Step 6: Final answer
    x = 6,548.75

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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.