Home / 22,699.12-34,049.58-7,909.54

Finding the Fourth Proportional to 22,699.12, 34,049.58 and 7,909.54

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Solution

The fourth proportional to 22,699.12, 34,049.58 and 7,909.54 is: 11,864.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,699.12 : 34,049.58 = 7,909.54 : x
  2. Step 2: Convert to fraction form
    22,699.12/34,049.58 = 7,909.54/x
  3. Step 3: Cross multiply
    22,699.12x = 34,049.58 × 7,909.54
  4. Step 4: Simplify right side
    22,699.12x = 269,316,514.99
  5. Step 5: Solve for x
    x = 269,316,514.99/22,699.12
  6. Step 6: Final answer
    x = 11,864.62

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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.