Home / 12,766.68-19,145.28-4,444.56

Finding the Fourth Proportional to 12,766.68, 19,145.28 and 4,444.56

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Solution

The fourth proportional to 12,766.68, 19,145.28 and 4,444.56 is: 6,665.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766.68 : 19,145.28 = 4,444.56 : x
  2. Step 2: Convert to fraction form
    12,766.68/19,145.28 = 4,444.56/x
  3. Step 3: Cross multiply
    12,766.68x = 19,145.28 × 4,444.56
  4. Step 4: Simplify right side
    12,766.68x = 85,092,345.68
  5. Step 5: Solve for x
    x = 85,092,345.68/12,766.68
  6. Step 6: Final answer
    x = 6,665.19

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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.