Home / 12,628.68-18,954.70-6,393.07

Finding the Fourth Proportional to 12,628.68, 18,954.70 and 6,393.07

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Solution

The fourth proportional to 12,628.68, 18,954.70 and 6,393.07 is: 9,595.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,628.68 : 18,954.70 = 6,393.07 : x
  2. Step 2: Convert to fraction form
    12,628.68/18,954.70 = 6,393.07/x
  3. Step 3: Cross multiply
    12,628.68x = 18,954.70 × 6,393.07
  4. Step 4: Simplify right side
    12,628.68x = 121,178,723.93
  5. Step 5: Solve for x
    x = 121,178,723.93/12,628.68
  6. Step 6: Final answer
    x = 9,595.52

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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.