Home / 19,785.09-29,684.66-6,637.44

Finding the Fourth Proportional to 19,785.09, 29,684.66 and 6,637.44

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Solution

The fourth proportional to 19,785.09, 29,684.66 and 6,637.44 is: 9,958.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,785.09 : 29,684.66 = 6,637.44 : x
  2. Step 2: Convert to fraction form
    19,785.09/29,684.66 = 6,637.44/x
  3. Step 3: Cross multiply
    19,785.09x = 29,684.66 × 6,637.44
  4. Step 4: Simplify right side
    19,785.09x = 197,030,149.67
  5. Step 5: Solve for x
    x = 197,030,149.67/19,785.09
  6. Step 6: Final answer
    x = 9,958.52

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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.