Home / 9,928.08-14,889.96-3,000.96

Finding the Fourth Proportional to 9,928.08, 14,889.96 and 3,000.96

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Solution

The fourth proportional to 9,928.08, 14,889.96 and 3,000.96 is: 4,500.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,928.08 : 14,889.96 = 3,000.96 : x
  2. Step 2: Convert to fraction form
    9,928.08/14,889.96 = 3,000.96/x
  3. Step 3: Cross multiply
    9,928.08x = 14,889.96 × 3,000.96
  4. Step 4: Simplify right side
    9,928.08x = 44,684,174.36
  5. Step 5: Solve for x
    x = 44,684,174.36/9,928.08
  6. Step 6: Final answer
    x = 4,500.79

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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.