Home / 20,256.88-30,387.84-8,567.16

Finding the Fourth Proportional to 20,256.88, 30,387.84 and 8,567.16

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Solution

The fourth proportional to 20,256.88, 30,387.84 and 8,567.16 is: 12,851.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,256.88 : 30,387.84 = 8,567.16 : x
  2. Step 2: Convert to fraction form
    20,256.88/30,387.84 = 8,567.16/x
  3. Step 3: Cross multiply
    20,256.88x = 30,387.84 × 8,567.16
  4. Step 4: Simplify right side
    20,256.88x = 260,337,487.33
  5. Step 5: Solve for x
    x = 260,337,487.33/20,256.88
  6. Step 6: Final answer
    x = 12,851.81

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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.