Home / 10,724.60-16,087.08-4,485.56

Finding the Fourth Proportional to 10,724.60, 16,087.08 and 4,485.56

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Solution

The fourth proportional to 10,724.60, 16,087.08 and 4,485.56 is: 6,728.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,724.60 : 16,087.08 = 4,485.56 : x
  2. Step 2: Convert to fraction form
    10,724.60/16,087.08 = 4,485.56/x
  3. Step 3: Cross multiply
    10,724.60x = 16,087.08 × 4,485.56
  4. Step 4: Simplify right side
    10,724.60x = 72,159,562.56
  5. Step 5: Solve for x
    x = 72,159,562.56/10,724.60
  6. Step 6: Final answer
    x = 6,728.42

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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.