Home / 20,895.93-31,323.91-7,744.77

Finding the Fourth Proportional to 20,895.93, 31,323.91 and 7,744.77

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Solution

The fourth proportional to 20,895.93, 31,323.91 and 7,744.77 is: 11,609.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,895.93 : 31,323.91 = 7,744.77 : x
  2. Step 2: Convert to fraction form
    20,895.93/31,323.91 = 7,744.77/x
  3. Step 3: Cross multiply
    20,895.93x = 31,323.91 × 7,744.77
  4. Step 4: Simplify right side
    20,895.93x = 242,596,478.45
  5. Step 5: Solve for x
    x = 242,596,478.45/20,895.93
  6. Step 6: Final answer
    x = 11,609.75

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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.