Home / 13,538.46-20,308.77-4,650.23

Finding the Fourth Proportional to 13,538.46, 20,308.77 and 4,650.23

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Solution

The fourth proportional to 13,538.46, 20,308.77 and 4,650.23 is: 6,975.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,538.46 : 20,308.77 = 4,650.23 : x
  2. Step 2: Convert to fraction form
    13,538.46/20,308.77 = 4,650.23/x
  3. Step 3: Cross multiply
    13,538.46x = 20,308.77 × 4,650.23
  4. Step 4: Simplify right side
    13,538.46x = 94,440,451.52
  5. Step 5: Solve for x
    x = 94,440,451.52/13,538.46
  6. Step 6: Final answer
    x = 6,975.72

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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.