Home / 19,360.32-29,002.40-12,766.56

Finding the Fourth Proportional to 19,360.32, 29,002.40 and 12,766.56

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Solution

The fourth proportional to 19,360.32, 29,002.40 and 12,766.56 is: 19,124.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360.32 : 29,002.40 = 12,766.56 : x
  2. Step 2: Convert to fraction form
    19,360.32/29,002.40 = 12,766.56/x
  3. Step 3: Cross multiply
    19,360.32x = 29,002.40 × 12,766.56
  4. Step 4: Simplify right side
    19,360.32x = 370,260,879.74
  5. Step 5: Solve for x
    x = 370,260,879.74/19,360.32
  6. Step 6: Final answer
    x = 19,124.73

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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.