Home / 16,670.28-24,976.62-8,855.40

Finding the Fourth Proportional to 16,670.28, 24,976.62 and 8,855.40

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Solution

The fourth proportional to 16,670.28, 24,976.62 and 8,855.40 is: 13,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,670.28 : 24,976.62 = 8,855.40 : x
  2. Step 2: Convert to fraction form
    16,670.28/24,976.62 = 8,855.40/x
  3. Step 3: Cross multiply
    16,670.28x = 24,976.62 × 8,855.40
  4. Step 4: Simplify right side
    16,670.28x = 221,177,960.75
  5. Step 5: Solve for x
    x = 221,177,960.75/16,670.28
  6. Step 6: Final answer
    x = 13,267.80

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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.