Home / 16,120.30-24,180.35-8,771.47

Finding the Fourth Proportional to 16,120.30, 24,180.35 and 8,771.47

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Solution

The fourth proportional to 16,120.30, 24,180.35 and 8,771.47 is: 13,157.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,120.30 : 24,180.35 = 8,771.47 : x
  2. Step 2: Convert to fraction form
    16,120.30/24,180.35 = 8,771.47/x
  3. Step 3: Cross multiply
    16,120.30x = 24,180.35 × 8,771.47
  4. Step 4: Simplify right side
    16,120.30x = 212,097,214.61
  5. Step 5: Solve for x
    x = 212,097,214.61/16,120.30
  6. Step 6: Final answer
    x = 13,157.15

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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.