Home / 10,724.40-16,087.80-3,328.80

Finding the Fourth Proportional to 10,724.40, 16,087.80 and 3,328.80

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Solution

The fourth proportional to 10,724.40, 16,087.80 and 3,328.80 is: 4,993.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,724.40 : 16,087.80 = 3,328.80 : x
  2. Step 2: Convert to fraction form
    10,724.40/16,087.80 = 3,328.80/x
  3. Step 3: Cross multiply
    10,724.40x = 16,087.80 × 3,328.80
  4. Step 4: Simplify right side
    10,724.40x = 53,553,068.64
  5. Step 5: Solve for x
    x = 53,553,068.64/10,724.40
  6. Step 6: Final answer
    x = 4,993.57

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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.