Home / 12,626.08-18,950.84-6,390.48

Finding the Fourth Proportional to 12,626.08, 18,950.84 and 6,390.48

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Solution

The fourth proportional to 12,626.08, 18,950.84 and 6,390.48 is: 9,591.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,626.08 : 18,950.84 = 6,390.48 : x
  2. Step 2: Convert to fraction form
    12,626.08/18,950.84 = 6,390.48/x
  3. Step 3: Cross multiply
    12,626.08x = 18,950.84 × 6,390.48
  4. Step 4: Simplify right side
    12,626.08x = 121,104,964.00
  5. Step 5: Solve for x
    x = 121,104,964.00/12,626.08
  6. Step 6: Final answer
    x = 9,591.65

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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.