Home / 13,685.33-20,527.86-4,325.35

Finding the Fourth Proportional to 13,685.33, 20,527.86 and 4,325.35

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Solution

The fourth proportional to 13,685.33, 20,527.86 and 4,325.35 is: 6,487.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,685.33 : 20,527.86 = 4,325.35 : x
  2. Step 2: Convert to fraction form
    13,685.33/20,527.86 = 4,325.35/x
  3. Step 3: Cross multiply
    13,685.33x = 20,527.86 × 4,325.35
  4. Step 4: Simplify right side
    13,685.33x = 88,790,179.25
  5. Step 5: Solve for x
    x = 88,790,179.25/13,685.33
  6. Step 6: Final answer
    x = 6,487.98

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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.