Home / 16,120.64-24,170.34-7,784.12

Finding the Fourth Proportional to 16,120.64, 24,170.34 and 7,784.12

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Solution

The fourth proportional to 16,120.64, 24,170.34 and 7,784.12 is: 11,671.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,120.64 : 24,170.34 = 7,784.12 : x
  2. Step 2: Convert to fraction form
    16,120.64/24,170.34 = 7,784.12/x
  3. Step 3: Cross multiply
    16,120.64x = 24,170.34 × 7,784.12
  4. Step 4: Simplify right side
    16,120.64x = 188,144,827.00
  5. Step 5: Solve for x
    x = 188,144,827.00/16,120.64
  6. Step 6: Final answer
    x = 11,671.05

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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.