Home / 19,565.43-29,360.43-11,261.72

Finding the Fourth Proportional to 19,565.43, 29,360.43 and 11,261.72

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Solution

The fourth proportional to 19,565.43, 29,360.43 and 11,261.72 is: 16,899.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,565.43 : 29,360.43 = 11,261.72 : x
  2. Step 2: Convert to fraction form
    19,565.43/29,360.43 = 11,261.72/x
  3. Step 3: Cross multiply
    19,565.43x = 29,360.43 × 11,261.72
  4. Step 4: Simplify right side
    19,565.43x = 330,648,794.94
  5. Step 5: Solve for x
    x = 330,648,794.94/19,565.43
  6. Step 6: Final answer
    x = 16,899.64

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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.