Home / 13,684.08-20,528.90-4,325.56

Finding the Fourth Proportional to 13,684.08, 20,528.90 and 4,325.56

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Solution

The fourth proportional to 13,684.08, 20,528.90 and 4,325.56 is: 6,489.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,684.08 : 20,528.90 = 4,325.56 : x
  2. Step 2: Convert to fraction form
    13,684.08/20,528.90 = 4,325.56/x
  3. Step 3: Cross multiply
    13,684.08x = 20,528.90 × 4,325.56
  4. Step 4: Simplify right side
    13,684.08x = 88,798,988.68
  5. Step 5: Solve for x
    x = 88,798,988.68/13,684.08
  6. Step 6: Final answer
    x = 6,489.22

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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.