Home / 19,443.42-29,176.47-8,198.08

Finding the Fourth Proportional to 19,443.42, 29,176.47 and 8,198.08

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Solution

The fourth proportional to 19,443.42, 29,176.47 and 8,198.08 is: 12,301.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,443.42 : 29,176.47 = 8,198.08 : x
  2. Step 2: Convert to fraction form
    19,443.42/29,176.47 = 8,198.08/x
  3. Step 3: Cross multiply
    19,443.42x = 29,176.47 × 8,198.08
  4. Step 4: Simplify right side
    19,443.42x = 239,190,962.24
  5. Step 5: Solve for x
    x = 239,190,962.24/19,443.42
  6. Step 6: Final answer
    x = 12,301.90

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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.