Home / 20,952.73-31,429.08-6,161.77

Finding the Fourth Proportional to 20,952.73, 31,429.08 and 6,161.77

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Solution

The fourth proportional to 20,952.73, 31,429.08 and 6,161.77 is: 9,242.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,952.73 : 31,429.08 = 6,161.77 : x
  2. Step 2: Convert to fraction form
    20,952.73/31,429.08 = 6,161.77/x
  3. Step 3: Cross multiply
    20,952.73x = 31,429.08 × 6,161.77
  4. Step 4: Simplify right side
    20,952.73x = 193,658,762.27
  5. Step 5: Solve for x
    x = 193,658,762.27/20,952.73
  6. Step 6: Final answer
    x = 9,242.65

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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.