Home / 16,440.80-24,661.20-6,581.60

Finding the Fourth Proportional to 16,440.80, 24,661.20 and 6,581.60

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Solution

The fourth proportional to 16,440.80, 24,661.20 and 6,581.60 is: 9,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,440.80 : 24,661.20 = 6,581.60 : x
  2. Step 2: Convert to fraction form
    16,440.80/24,661.20 = 6,581.60/x
  3. Step 3: Cross multiply
    16,440.80x = 24,661.20 × 6,581.60
  4. Step 4: Simplify right side
    16,440.80x = 162,310,153.92
  5. Step 5: Solve for x
    x = 162,310,153.92/16,440.80
  6. Step 6: Final answer
    x = 9,872.40

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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.