Home / 13,685.85-20,527.01-4,326.82

Finding the Fourth Proportional to 13,685.85, 20,527.01 and 4,326.82

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Solution

The fourth proportional to 13,685.85, 20,527.01 and 4,326.82 is: 6,489.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,685.85 : 20,527.01 = 4,326.82 : x
  2. Step 2: Convert to fraction form
    13,685.85/20,527.01 = 4,326.82/x
  3. Step 3: Cross multiply
    13,685.85x = 20,527.01 × 4,326.82
  4. Step 4: Simplify right side
    13,685.85x = 88,816,614.60
  5. Step 5: Solve for x
    x = 88,816,614.60/13,685.85
  6. Step 6: Final answer
    x = 6,489.67

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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.