Home / 12,966.93-19,449.18-4,201.92

Finding the Fourth Proportional to 12,966.93, 19,449.18 and 4,201.92

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Solution

The fourth proportional to 12,966.93, 19,449.18 and 4,201.92 is: 6,302.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,966.93 : 19,449.18 = 4,201.92 : x
  2. Step 2: Convert to fraction form
    12,966.93/19,449.18 = 4,201.92/x
  3. Step 3: Cross multiply
    12,966.93x = 19,449.18 × 4,201.92
  4. Step 4: Simplify right side
    12,966.93x = 81,723,898.43
  5. Step 5: Solve for x
    x = 81,723,898.43/12,966.93
  6. Step 6: Final answer
    x = 6,302.49

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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.