Home / 10,723.20-16,084.80-8,803.20

Finding the Fourth Proportional to 10,723.20, 16,084.80 and 8,803.20

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Solution

The fourth proportional to 10,723.20, 16,084.80 and 8,803.20 is: 13,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,723.20 : 16,084.80 = 8,803.20 : x
  2. Step 2: Convert to fraction form
    10,723.20/16,084.80 = 8,803.20/x
  3. Step 3: Cross multiply
    10,723.20x = 16,084.80 × 8,803.20
  4. Step 4: Simplify right side
    10,723.20x = 141,597,711.36
  5. Step 5: Solve for x
    x = 141,597,711.36/10,723.20
  6. Step 6: Final answer
    x = 13,204.80

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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.