Home / 13,630.23-20,433.24-5,308.32

Finding the Fourth Proportional to 13,630.23, 20,433.24 and 5,308.32

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Solution

The fourth proportional to 13,630.23, 20,433.24 and 5,308.32 is: 7,957.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,630.23 : 20,433.24 = 5,308.32 : x
  2. Step 2: Convert to fraction form
    13,630.23/20,433.24 = 5,308.32/x
  3. Step 3: Cross multiply
    13,630.23x = 20,433.24 × 5,308.32
  4. Step 4: Simplify right side
    13,630.23x = 108,466,176.56
  5. Step 5: Solve for x
    x = 108,466,176.56/13,630.23
  6. Step 6: Final answer
    x = 7,957.77

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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.