Home / 13,597.26-20,390.35-4,234.13

Finding the Fourth Proportional to 13,597.26, 20,390.35 and 4,234.13

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Solution

The fourth proportional to 13,597.26, 20,390.35 and 4,234.13 is: 6,349.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,597.26 : 20,390.35 = 4,234.13 : x
  2. Step 2: Convert to fraction form
    13,597.26/20,390.35 = 4,234.13/x
  3. Step 3: Cross multiply
    13,597.26x = 20,390.35 × 4,234.13
  4. Step 4: Simplify right side
    13,597.26x = 86,335,392.65
  5. Step 5: Solve for x
    x = 86,335,392.65/13,597.26
  6. Step 6: Final answer
    x = 6,349.47

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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.