Home / 19,833.50-29,749.04-8,146.42

Finding the Fourth Proportional to 19,833.50, 29,749.04 and 8,146.42

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Solution

The fourth proportional to 19,833.50, 29,749.04 and 8,146.42 is: 12,219.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,833.50 : 29,749.04 = 8,146.42 : x
  2. Step 2: Convert to fraction form
    19,833.50/29,749.04 = 8,146.42/x
  3. Step 3: Cross multiply
    19,833.50x = 29,749.04 × 8,146.42
  4. Step 4: Simplify right side
    19,833.50x = 242,348,089.88
  5. Step 5: Solve for x
    x = 242,348,089.88/19,833.50
  6. Step 6: Final answer
    x = 12,219.13

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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.